[compiler-rt] 08debd7 - [compiler-rt][builtins] Add `-Wno-c2y-extensions`

[NAKAMURA Takumi via llvm-commits]

Author: NAKAMURA Takumi
Date: 2025-12-27T13:29:09+09:00
New Revision: 08debd7f44614f3b8f8a5b62fe80cc051ce17918

URL: https://github.com/llvm/llvm-project/commit/08debd7f44614f3b8f8a5b62fe80cc051ce17918
DIFF: https://github.com/llvm/llvm-project/commit/08debd7f44614f3b8f8a5b62fe80cc051ce17918.diff

LOG: [compiler-rt][builtins] Add `-Wno-c2y-extensions`

Since #162662, `__COUNTER__` has caused warnings.

Added: 
    

Modified: 
    compiler-rt/cmake/builtin-config-ix.cmake
    compiler-rt/lib/builtins/CMakeLists.txt

Removed: 
    


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diff  --git a/compiler-rt/cmake/builtin-config-ix.cmake b/compiler-rt/cmake/builtin-config-ix.cmake
index fd815f841fec0..d5e41fc0a1fa8 100644
--- a/compiler-rt/cmake/builtin-config-ix.cmake
+++ b/compiler-rt/cmake/builtin-config-ix.cmake
@@ -18,6 +18,7 @@ builtin_check_c_compiler_flag(-fno-lto              COMPILER_RT_HAS_FNO_LTO_FLAG
 builtin_check_c_compiler_flag(-fno-profile-generate COMPILER_RT_HAS_FNO_PROFILE_GENERATE_FLAG)
 builtin_check_c_compiler_flag(-fno-profile-instr-generate COMPILER_RT_HAS_FNO_PROFILE_INSTR_GENERATE_FLAG)
 builtin_check_c_compiler_flag(-fno-profile-instr-use COMPILER_RT_HAS_FNO_PROFILE_INSTR_USE_FLAG)
+builtin_check_c_compiler_flag(-Wno-c2y-extensions   COMPILER_RT_HAS_WNO_C2Y_EXTENSIONS)
 builtin_check_c_compiler_flag(-Wno-pedantic         COMPILER_RT_HAS_WNO_PEDANTIC)
 builtin_check_c_compiler_flag(-nogpulib             COMPILER_RT_HAS_NOGPULIB_FLAG)
 builtin_check_c_compiler_flag(-flto                 COMPILER_RT_HAS_FLTO_FLAG)

diff  --git a/compiler-rt/lib/builtins/CMakeLists.txt b/compiler-rt/lib/builtins/CMakeLists.txt
index a5ce9264d1c6b..107e48b84b2b7 100644
--- a/compiler-rt/lib/builtins/CMakeLists.txt
+++ b/compiler-rt/lib/builtins/CMakeLists.txt
@@ -1094,6 +1094,7 @@ if (COMPILER_RT_BUILD_CRT)
   append_list_if(COMPILER_RT_HAS_INITFINI_ARRAY -DCRT_HAS_INITFINI_ARRAY CRT_CFLAGS)
   append_list_if(COMPILER_RT_CRT_USE_EH_FRAME_REGISTRY -DEH_USE_FRAME_REGISTRY CRT_CFLAGS)
   append_list_if(COMPILER_RT_HAS_FPIC_FLAG -fPIC CRT_CFLAGS)
+  append_list_if(COMPILER_RT_HAS_WNO_C2Y_EXTENSIONS -Wno-c2y-extensions CRT_CFLAGS)
   append_list_if(COMPILER_RT_HAS_WNO_PEDANTIC -Wno-pedantic CRT_CFLAGS)
   if (COMPILER_RT_HAS_FCF_PROTECTION_FLAG)
     append_list_if(COMPILER_RT_ENABLE_CET -fcf-protection=full CRT_CFLAGS)