[PATCH] D52571: [Sema] Handle __va_start for Windows/ARM64 in the same way as for ARM

[Martin Storsjö via Phabricator via cfe-commits]

mstorsjo created this revision.
mstorsjo added reviewers: dmajor, mgrang, ssijaric, rnk, compnerd.
Herald added subscribers: chrib, kristof.beyls.

This fixes PR39090.


Repository:
  rC Clang

https://reviews.llvm.org/D52571

Files:
  lib/Sema/SemaChecking.cpp
  test/SemaCXX/microsoft-varargs.cpp


Index: test/SemaCXX/microsoft-varargs.cpp
===================================================================
--- test/SemaCXX/microsoft-varargs.cpp
+++ test/SemaCXX/microsoft-varargs.cpp
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -triple thumbv7-windows -fms-compatibility -fsyntax-only %s -verify
+// RUN: %clang_cc1 -triple aarch64-windows -fms-compatibility -fsyntax-only %s -verify
 // expected-no-diagnostics
 
 extern "C" {
Index: lib/Sema/SemaChecking.cpp
===================================================================
--- lib/Sema/SemaChecking.cpp
+++ lib/Sema/SemaChecking.cpp
@@ -929,6 +929,7 @@
     break;
   case Builtin::BI__va_start: {
     switch (Context.getTargetInfo().getTriple().getArch()) {
+    case llvm::Triple::aarch64:
     case llvm::Triple::arm:
     case llvm::Triple::thumb:
       if (SemaBuiltinVAStartARMMicrosoft(TheCall))


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