[clang] 5d90004 - Require C99 for these tests; NFC intended

Aaron Ballman via cfe-commits cfe-commits at lists.llvm.org
Mon Apr 4 10:43:38 PDT 2022


Author: Aaron Ballman
Date: 2022-04-04T13:43:27-04:00
New Revision: 5d90004874c7b040cd43597826aabb34757d25ab

URL: https://github.com/llvm/llvm-project/commit/5d90004874c7b040cd43597826aabb34757d25ab
DIFF: https://github.com/llvm/llvm-project/commit/5d90004874c7b040cd43597826aabb34757d25ab.diff

LOG: Require C99 for these tests; NFC intended

The tests are doing -verify and testing a diagnostic behavior, but that
behavior is changing. This ensures the tests continue to run and check
the diagnostic.

The behavior of the tests is expected to remain identical as before.

Added: 
    

Modified: 
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create2-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create3-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create4-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get2-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get3-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get4-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ld1-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ld1rq-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldff1-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldnf1-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldnt1-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_rev-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set2-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set3-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set4-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_st1-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_stnt1-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn1-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn1-fp64-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn2-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn2-fp64-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef2-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef3-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef4-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp1-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp1-fp64-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp2-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp2-fp64-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip1-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip1-fp64-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip2-bfloat.c
    clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip2-fp64-bfloat.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aba.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abalb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abalt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abdlb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abdlt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adalp.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adclb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adclt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addhnb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addhnt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlbt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addp.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addwb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addwt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesd.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aese.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesimc.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesmc.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bcax.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bdep.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bext.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bgrp.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl1n.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl2n.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cadd.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cdot.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cmla.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtlt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtnt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtx.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtxnt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eor3.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eorbt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eortb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hadd.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_histcnt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_histseg.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hsub.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hsubr.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sh.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sw.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1ub.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1uh.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1uw.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_logb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_match.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_maxnmp.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_maxp.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_minnmp.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_minp.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mla.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlalb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlalt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mls.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlslb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlslt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_movlb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_movlt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mul.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mullb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mullt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_nbsl.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_nmatch.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmul.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullb_128.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullt_128.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qabs.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qadd.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qcadd.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalbt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslbt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmulh.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmullb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmullt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qneg.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdcmlah.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmlah.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmlsh.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmulh.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshl.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrnb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrnt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrunb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrunt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshl.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshlu.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrnb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrnt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrunb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrunt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qsub.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qsubr.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtnb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtnt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtunb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtunt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_raddhnb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_raddhnt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rax1.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_recpe.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rhadd.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshl.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshr.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshrnb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshrnt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsqrte.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsra.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsubhnb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsubhnt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sbclb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sbclt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shllb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shllt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shrnb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shrnt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sli.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sm4e.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sm4ekey.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sqadd.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sra.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sri.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1b.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1h.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1w.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subhnb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subhnt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublbt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subltb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subwb.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subwt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbl2-bfloat.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbl2.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbx-bfloat.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbx.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_uqadd.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilege.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilegt.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilerw-bfloat.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilerw.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilewr-bfloat.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilewr.c
    clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_xar.c

Removed: 
    


################################################################################
diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create2-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create2-bfloat.c
index 3a4ffb625bb5b..4833ce51fddec 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create2-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create2-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create3-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create3-bfloat.c
index e1ac1f7127fd3..d9fa4a3e5bdb0 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create3-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create3-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create4-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create4-bfloat.c
index dcb50e0575412..00c7f5dbae9a6 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create4-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_create4-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get2-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get2-bfloat.c
index 010f6055e40b6..a94d94c11f969 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get2-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get2-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get3-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get3-bfloat.c
index 8ec2d87e69cb6..078fae118d519 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get3-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get3-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get4-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get4-bfloat.c
index 7c3746c7c3112..b9e8abcb3665e 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get4-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_get4-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ld1-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ld1-bfloat.c
index 38a959fc2917a..da53bb0f8983c 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ld1-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ld1-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ld1rq-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ld1rq-bfloat.c
index 47679e528a0a2..87ab4cb29d3d2 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ld1rq-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ld1rq-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldff1-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldff1-bfloat.c
index b96907c43d41a..e5c3c07a92611 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldff1-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldff1-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldnf1-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldnf1-bfloat.c
index 1da451279f818..35233e2895494 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldnf1-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldnf1-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 // REQUIRES: aarch64-registered-target
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldnt1-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldnt1-bfloat.c
index 494c2fb457e69..f783e211b983b 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldnt1-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_ldnt1-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_rev-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_rev-bfloat.c
index aecf8660de333..4836b3dd50b5e 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_rev-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_rev-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set2-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set2-bfloat.c
index 8b17c3f5a66b4..a67106af67beb 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set2-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set2-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set3-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set3-bfloat.c
index b0ad3f5be49b6..0bee234f494d2 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set3-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set3-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set4-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set4-bfloat.c
index 1a420f6fdbc44..640e3f6ca8364 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set4-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_set4-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_st1-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_st1-bfloat.c
index 7a57a3ebf3549..ea02afd2662cd 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_st1-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_st1-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_stnt1-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_stnt1-bfloat.c
index 089ab5b351833..eab5c28fd0f0c 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_stnt1-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_stnt1-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn1-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn1-bfloat.c
index 95edcfac204cc..324e29e30107f 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn1-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn1-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn1-fp64-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn1-fp64-bfloat.c
index b8093f087186c..3732b7f62f3fb 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn1-fp64-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn1-fp64-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -target-feature +f64mm -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -target-feature +f64mm -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -target-feature +f64mm -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn2-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn2-bfloat.c
index 9fb7470397e71..33f147935ee6b 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn2-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn2-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn2-fp64-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn2-fp64-bfloat.c
index c57609019b426..f3201ee773cfd 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn2-fp64-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_trn2-fp64-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -target-feature +f64mm -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -target-feature +f64mm -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -target-feature +f64mm -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef-bfloat.c
index 09d1ac871abf6..a1a87be84b06c 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef-bfloat.c
@@ -1,7 +1,7 @@
 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef2-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef2-bfloat.c
index 1163efbf1196a..8cadb0d5bf232 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef2-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef2-bfloat.c
@@ -1,7 +1,7 @@
 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef3-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef3-bfloat.c
index acd452af33da3..2ea7f1c7eb057 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef3-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef3-bfloat.c
@@ -1,7 +1,7 @@
 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef4-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef4-bfloat.c
index 5a0593344bc41..d980d03e2edc9 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef4-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_undef4-bfloat.c
@@ -1,7 +1,7 @@
 // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp1-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp1-bfloat.c
index cbfb956492701..e12ebd5aa8e31 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp1-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp1-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp1-fp64-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp1-fp64-bfloat.c
index e0f3caf4c2f62..fc5dbe06a496c 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp1-fp64-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp1-fp64-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -target-feature +f64mm -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -target-feature +f64mm -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -target-feature +f64mm -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp2-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp2-bfloat.c
index 37607e8caed82..050efb8197fcf 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp2-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp2-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp2-fp64-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp2-fp64-bfloat.c
index eccc71cc66a75..7200448564f90 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp2-fp64-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_uzp2-fp64-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -target-feature +f64mm -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -target-feature +f64mm -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -target-feature +f64mm -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip1-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip1-bfloat.c
index 59a3b41bff60a..79d590986ed1b 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip1-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip1-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip1-fp64-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip1-fp64-bfloat.c
index 1eed473c13336..2942a7adb7ab4 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip1-fp64-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip1-fp64-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -target-feature +f64mm -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -target-feature +f64mm -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -target-feature +f64mm -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip2-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip2-bfloat.c
index d65e5e0fb663b..843133a13d1cb 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip2-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip2-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip2-fp64-bfloat.c b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip2-fp64-bfloat.c
index 33780d63db369..c6a87f3705472 100644
--- a/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip2-fp64-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_zip2-fp64-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -target-feature +f64mm -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -target-feature +f64mm -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -target-feature +f64mm -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aba.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aba.c
index 6eedf682edf1d..431e7bfc99520 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aba.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aba.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abalb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abalb.c
index 6dd2fb05bd076..bd9dc0fc17da0 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abalb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abalb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abalt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abalt.c
index edba06ace0d15..f55d628ffc1e5 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abalt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abalt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abdlb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abdlb.c
index a1ba509a5bfe4..3c0053e9149a6 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abdlb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abdlb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abdlt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abdlt.c
index 4fc3548a1ce5e..e6cd7e374c505 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abdlt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_abdlt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adalp.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adalp.c
index d3737956017f0..fd0c9967cac65 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adalp.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adalp.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adclb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adclb.c
index 1b2a3b0fdf03d..0915e35465079 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adclb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adclb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adclt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adclt.c
index 408024fb3713e..e0f5643d0a659 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adclt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_adclt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addhnb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addhnb.c
index aeb275e1f9871..dfed2c284236e 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addhnb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addhnb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addhnt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addhnt.c
index 70b4f147c9fc1..c488a9691e85c 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addhnt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addhnt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlb.c
index 36ac187bc2578..79eacfd9988fe 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlbt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlbt.c
index d9f929ec0f1e6..16d0874cd7e20 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlbt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlbt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlt.c
index 24879fbdc53e7..7e1dbd0d132e8 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addlt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addp.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addp.c
index 8c12684bdd368..5f394c6219968 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addp.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addp.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addwb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addwb.c
index 77dc6bb2fe861..4eebefc578801 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addwb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addwb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addwt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addwt.c
index d5a14a08b8063..26d95a3bc4a18 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addwt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_addwt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesd.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesd.c
index 64aa130826d35..40107c3cc26d9 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesd.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesd.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aese.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aese.c
index 499341d60af30..19b3a55eb62ff 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aese.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aese.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesimc.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesimc.c
index f03baf80ea4d4..d9f1b62557816 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesimc.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesimc.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesmc.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesmc.c
index 7fcc4afcaa287..a4c45accc5a88 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesmc.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_aesmc.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bcax.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bcax.c
index bc4a4969212d2..8aa8f35b44311 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bcax.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bcax.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bdep.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bdep.c
index 3023be03c0003..2a20264bc528b 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bdep.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bdep.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2-bitperm -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-bitperm -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-bitperm -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bext.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bext.c
index b12efeac64e9e..44a9f6d2409d8 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bext.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bext.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2-bitperm -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-bitperm -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-bitperm -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bgrp.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bgrp.c
index 3a793edd7ac2f..683351b5a7d03 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bgrp.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bgrp.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2-bitperm -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-bitperm -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-bitperm -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl.c
index b79664e6b3e67..5c38dc81402db 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl1n.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl1n.c
index 94f9076fbfe58..52f382d9e49b8 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl1n.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl1n.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl2n.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl2n.c
index d85d114b6e150..7d6046b2b06a9 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl2n.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_bsl2n.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cadd.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cadd.c
index e13632f059e5c..37fc76b29797e 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cadd.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cadd.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cdot.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cdot.c
index a76c662ab8a52..1a7b4ac056d2b 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cdot.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cdot.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cmla.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cmla.c
index 28c80ccbf6452..6da5cb8ff333c 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cmla.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cmla.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtlt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtlt.c
index 0c435935568fb..42826e56e5dd4 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtlt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtlt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtnt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtnt.c
index fbd0567bf63a1..401aa573f4b7e 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtnt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtnt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtx.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtx.c
index 0baaa274c2ff9..6f734a04c455c 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtx.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtx.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtxnt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtxnt.c
index fe8c79fdfa8d3..a0e9fb0061d79 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtxnt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_cvtxnt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eor3.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eor3.c
index 748a9c2ef1bad..cfdf26eaab91e 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eor3.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eor3.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eorbt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eorbt.c
index b6c977799b7fb..3ad3f3bd110dc 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eorbt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eorbt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eortb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eortb.c
index c849ffb39bf32..81e4cf1f45334 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eortb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_eortb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hadd.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hadd.c
index 86311384c6253..0d1d6e2b48275 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hadd.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hadd.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_histcnt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_histcnt.c
index 07c17228cf871..1cfd01439b4e9 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_histcnt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_histcnt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_histseg.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_histseg.c
index 19603489b28c5..5b114cdc6f726 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_histseg.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_histseg.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hsub.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hsub.c
index b4e7d109e8c3d..f463481e37b2d 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hsub.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hsub.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hsubr.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hsubr.c
index 42a302642f623..1fe1c4614112e 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hsubr.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_hsubr.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1.c
index 388944dda29ab..9d3817833a4b2 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sb.c
index c5f670ecd89b3..51408fac0d117 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sb.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sh.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sh.c
index 0a52d1cbc0cb9..afeaaeb0494e4 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sh.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sh.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sw.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sw.c
index ad32afe9294a6..91056ec67564c 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sw.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1sw.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1ub.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1ub.c
index 1f9407f0b664a..a5b6f358bc1ab 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1ub.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1ub.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1uh.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1uh.c
index 5b07cd14d909d..665160336a26d 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1uh.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1uh.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1uw.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1uw.c
index 07cbe8ca21c7a..781c1f0008c7a 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1uw.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_ldnt1uw.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_logb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_logb.c
index 393d5c77db2f7..d517a14b1e98a 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_logb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_logb.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_match.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_match.c
index 87cf381d3f995..100a52f642ae4 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_match.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_match.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_maxnmp.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_maxnmp.c
index 101f17e8941d7..4ff8722ffdfed 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_maxnmp.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_maxnmp.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_maxp.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_maxp.c
index 9abf6a3b06be6..114635f43f139 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_maxp.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_maxp.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_minnmp.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_minnmp.c
index cde1df6938610..f8ae8590285b1 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_minnmp.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_minnmp.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_minp.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_minp.c
index 40c3735af5dc4..2535146f05c84 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_minp.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_minp.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mla.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mla.c
index b5d7d1931a821..7714773d857e5 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mla.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mla.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlalb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlalb.c
index 975c808f44290..dd4d151c5583f 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlalb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlalb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlalt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlalt.c
index 1bf9c578812e3..a7996725f8d60 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlalt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlalt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mls.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mls.c
index dc3b3da2bce11..922e0a0d368c6 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mls.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mls.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlslb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlslb.c
index 098201018863a..4c597f2189319 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlslb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlslb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlslt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlslt.c
index 8fb8700e76d88..d73a0f42aa319 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlslt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mlslt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_movlb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_movlb.c
index 5c67eb0cbc684..5b19976e44c49 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_movlb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_movlb.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_movlt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_movlt.c
index 4462323374afb..369ccbc590497 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_movlt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_movlt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mul.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mul.c
index a0e27ea65ffe0..f794cb6d94345 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mul.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mul.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 // REQUIRES: aarch64-registered-target
 

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mullb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mullb.c
index 8fa35258bb63e..c326f8f4511db 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mullb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mullb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mullt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mullt.c
index 69b55807c3d6b..88c045b08fc96 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mullt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_mullt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_nbsl.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_nbsl.c
index d647a1de26248..1ebd5d99dfbf3 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_nbsl.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_nbsl.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_nmatch.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_nmatch.c
index bd05ad542d299..10d3bec77630a 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_nmatch.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_nmatch.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmul.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmul.c
index 44112825efb49..dfa1b6d55fce8 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmul.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmul.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullb.c
index 5797a1c6a6ac5..206c261d19b78 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullb_128.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullb_128.c
index 9a94caadbd0be..1372fad7f691d 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullb_128.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullb_128.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullt.c
index bc8c4336dee61..acade32de152b 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullt_128.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullt_128.c
index aa9d177c4b275..04d0372592819 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullt_128.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_pmullt_128.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-aes -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qabs.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qabs.c
index fb78890771e36..ccc798f08c2cf 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qabs.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qabs.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qadd.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qadd.c
index dfc09997e85c0..5dee8afda675a 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qadd.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qadd.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qcadd.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qcadd.c
index 3fadcccb2f436..d7c7ab51de29f 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qcadd.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qcadd.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalb.c
index d56a5e5e74c14..f72598e403a9d 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalbt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalbt.c
index c0479d511725c..1a7708f226eb9 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalbt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalbt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalt.c
index 71d41fe745e6a..df4980e6489ed 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlalt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslb.c
index a6c7f2012c1b2..37c9e7e5dc039 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslbt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslbt.c
index df60b0578225b..4eed297fb1f76 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslbt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslbt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslt.c
index 507afa2e55c43..6b80e1197e598 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmlslt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmulh.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmulh.c
index 8454eafa1144e..5a5261a214820 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmulh.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmulh.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmullb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmullb.c
index 4539200401454..a2e2131c17c91 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmullb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmullb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmullt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmullt.c
index 995d0d6d16e14..2522ce559f891 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmullt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qdmullt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qneg.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qneg.c
index 03c46f48bd171..eafcc8807f884 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qneg.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qneg.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdcmlah.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdcmlah.c
index 309d886eee297..4be1e450e994b 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdcmlah.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdcmlah.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmlah.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmlah.c
index 25f54a3d9bb23..b1d1a9af65c2b 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmlah.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmlah.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmlsh.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmlsh.c
index 5682b7204e83c..2f1546fcfe6c6 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmlsh.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmlsh.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmulh.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmulh.c
index 8386e782e6d83..8c5f3c197e440 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmulh.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrdmulh.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshl.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshl.c
index fd36b620d03f6..7785851089a78 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshl.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshl.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrnb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrnb.c
index 66a568cc096d9..5c94a022d8d2c 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrnb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrnb.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrnt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrnt.c
index f110a700d799b..0b81a9f2fd07c 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrnt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrnt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrunb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrunb.c
index 810d6f87bb514..5d61dd77381e0 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrunb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrunb.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrunt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrunt.c
index 01edc16ccfaf8..fe0d70700281f 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrunt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qrshrunt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshl.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshl.c
index d38cc66e904ca..0b5fcda47ff3e 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshl.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshl.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshlu.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshlu.c
index 5c14439c5c039..3e6530b3db194 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshlu.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshlu.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrnb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrnb.c
index 6f07c724bc5e2..d3b638b873320 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrnb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrnb.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrnt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrnt.c
index 03fd8945115d5..4bf5fdfa7fbb4 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrnt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrnt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrunb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrunb.c
index 71616331b9894..bcf9d18a3973f 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrunb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrunb.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrunt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrunt.c
index 4a675228ca3c1..4f307bbc85103 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrunt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qshrunt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qsub.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qsub.c
index 43242b045ec8e..b964e36338413 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qsub.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qsub.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qsubr.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qsubr.c
index e197a5bdebd66..57451bc80fdef 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qsubr.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qsubr.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtnb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtnb.c
index 353ce38f87a8b..28b39808a49f0 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtnb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtnb.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtnt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtnt.c
index c6c01bcf44bdf..fca736b51d314 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtnt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtnt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtunb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtunb.c
index 548b4a1f782a1..8fb17d5960240 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtunb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtunb.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtunt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtunt.c
index 0f4cf021ba3ed..569678ef8595f 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtunt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_qxtunt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_raddhnb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_raddhnb.c
index 75befbf64e75b..06f9b61193fe0 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_raddhnb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_raddhnb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_raddhnt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_raddhnt.c
index 5094e45865281..b05ae7e0d6688 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_raddhnt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_raddhnt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rax1.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rax1.c
index 2b032d2b7f8d6..7ded42377fa24 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rax1.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rax1.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2-sha3 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-sha3 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-sha3 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_recpe.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_recpe.c
index 92b885953d0b2..1c5f0971f3926 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_recpe.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_recpe.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rhadd.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rhadd.c
index ca8141acdc1a9..d336b440e6ad3 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rhadd.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rhadd.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 #include <arm_sve.h>
 

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshl.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshl.c
index 726dc60993bc5..2da2b1ea6aa94 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshl.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshl.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshr.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshr.c
index 213880c0a12bf..270e12b81309d 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshr.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshr.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshrnb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshrnb.c
index c04591ad8d854..7ef370c2fdd05 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshrnb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshrnb.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshrnt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshrnt.c
index 82385c8292359..60ebd482a6f20 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshrnt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rshrnt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsqrte.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsqrte.c
index 185bcb41c91ec..f858a9e3d1147 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsqrte.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsqrte.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsra.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsra.c
index b2f3c53295ba1..f48ffae6e9b06 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsra.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsra.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsubhnb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsubhnb.c
index f9c18e7f1f1f0..28e438d100f0a 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsubhnb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsubhnb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsubhnt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsubhnt.c
index b3e8ecc4f1bd8..8647e4f645e9d 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsubhnt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_rsubhnt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sbclb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sbclb.c
index 6a9d01f96ae75..7f472476ce59e 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sbclb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sbclb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sbclt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sbclt.c
index c84f5b383cc8a..8e0f257f02a13 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sbclt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sbclt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shllb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shllb.c
index ae0c101da881e..379f79571db39 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shllb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shllb.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shllt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shllt.c
index 0c17034eb21ac..da0aaf19d49c2 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shllt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shllt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shrnb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shrnb.c
index 009b041c84f13..12639427b6ff4 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shrnb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shrnb.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shrnt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shrnt.c
index 4835646cbe6f8..f791a86275a63 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shrnt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_shrnt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sli.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sli.c
index 965044030df22..809c83b258a05 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sli.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sli.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sm4e.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sm4e.c
index 9f6156be21d5b..6546c699c48b7 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sm4e.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sm4e.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2-sm4 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-sm4 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-sm4 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sm4ekey.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sm4ekey.c
index ee1809ef03b12..d8711d83307da 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sm4ekey.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sm4ekey.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2-sm4 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-sm4 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2-sm4 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sqadd.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sqadd.c
index ce399302eea99..0e0842c3cf7d8 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sqadd.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sqadd.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 #include <arm_sve.h>
 

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sra.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sra.c
index f6a4ece9407c7..1ac72ef16c7b3 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sra.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sra.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sri.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sri.c
index d4c1c6b7e8a8a..de78c8473a42c 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sri.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sri.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1.c
index 27a86043da643..203a57bbcd71d 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1b.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1b.c
index d7d42c66e52a0..0aca091664723 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1b.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1b.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1h.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1h.c
index 5d3bb5f34e2c9..0ecddf99009be 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1h.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1h.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1w.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1w.c
index 36eece0cf77b4..97504ca4ad65f 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1w.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_stnt1w.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subhnb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subhnb.c
index 39e8fef31bf38..23fafe526467b 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subhnb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subhnb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subhnt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subhnt.c
index e783c216ce723..87f6f456b6271 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subhnt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subhnt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublb.c
index 91e4985f8da04..4dee20a02d323 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublbt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublbt.c
index 7058a0df89e47..9d91b8e034e3f 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublbt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublbt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublt.c
index 82453e8a1f2d5..266e4c9fc4d1d 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_sublt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subltb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subltb.c
index 5603368deaf0f..523b02b62e4d7 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subltb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subltb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subwb.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subwb.c
index 18dca7c6a301a..4317f8fde6f3d 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subwb.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subwb.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subwt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subwt.c
index 3b9c6838ce4a3..d331e78bea04f 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subwt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_subwt.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 #include <arm_sve.h>

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbl2-bfloat.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbl2-bfloat.c
index db4ad45a31770..433c68b700afe 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbl2-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbl2-bfloat.c
@@ -4,9 +4,9 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +bf16 -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 #include <arm_sve.h>
 

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbl2.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbl2.c
index 62bf8406aa8bd..06b2c8919e832 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbl2.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbl2.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbx-bfloat.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbx-bfloat.c
index 480e7e4273091..380f70b6be393 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbx-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbx-bfloat.c
@@ -4,9 +4,9 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +bf16 -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error -verify-ignore-unexpected=note %s
 
 #include <arm_sve.h>
 

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbx.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbx.c
index 8a97dfa4e1881..febdd48ae9d14 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbx.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_tbx.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_uqadd.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_uqadd.c
index f18eff5b9f4e5..1d92cecf76645 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_uqadd.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_uqadd.c
@@ -5,7 +5,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 #include <arm_sve.h>
 

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilege.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilege.c
index c978c245e7c9d..f269424a8a76b 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilege.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilege.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilegt.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilegt.c
index 133065fb17e9c..452e6ee56c7d0 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilegt.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilegt.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilerw-bfloat.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilerw-bfloat.c
index 0723b6b344e8c..8ebb50350c8f2 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilerw-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilerw-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_SVE2 -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -triple aarch64-none-linux-gnu -target-feature +sve2 -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_SVE2 -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_SVE2 -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilerw.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilerw.c
index 9572427bcd35c..66b034d57024b 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilerw.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilerw.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilewr-bfloat.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilewr-bfloat.c
index 226dec7b89887..d7592775d67ae 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilewr-bfloat.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilewr-bfloat.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_SVE2 -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -triple aarch64-none-linux-gnu -target-feature +sve2 -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_SVE2 -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_SVE2 -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -target-feature +bf16 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -D__ARM_FEATURE_SVE -D__ARM_FEATURE_BF16_SCALAR_ARITHMETIC -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -target-feature +bf16 -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilewr.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilewr.c
index 245a2e5f01afe..b3a47312be2cd 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilewr.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_whilewr.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target

diff  --git a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_xar.c b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_xar.c
index 5b2358508ac89..57294e59b6c1f 100644
--- a/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_xar.c
+++ b/clang/test/CodeGen/aarch64-sve2-intrinsics/acle_sve2_xar.c
@@ -3,7 +3,7 @@
 // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve2 -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - -x c++ %s | FileCheck %s -check-prefix=CPP-CHECK
-// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify -verify-ignore-unexpected=error %s
+// RUN: %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -std=c99 -verify -verify-ignore-unexpected=error %s
 // RUN: %clang_cc1 -DSVE_OVERLOADED_FORMS -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -fsyntax-only -verify=overload -verify-ignore-unexpected=error %s
 
 // REQUIRES: aarch64-registered-target


        


More information about the cfe-commits mailing list