From 193f7aca560d7b34f35d7cfe453439fb6c26d3fa Mon Sep 17 00:00:00 2001 From: Zack Johnson Date: Thu, 4 Sep 2025 09:50:48 -0400 Subject: [PATCH] [compiler-rt][ASan] Work around msvc cl x64 build warnings --- compiler-rt/lib/asan/CMakeLists.txt | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/compiler-rt/lib/asan/CMakeLists.txt b/compiler-rt/lib/asan/CMakeLists.txt index 7d07ec765c005..459581fd0cff3 100644 --- a/compiler-rt/lib/asan/CMakeLists.txt +++ b/compiler-rt/lib/asan/CMakeLists.txt @@ -108,7 +108,8 @@ set(ASAN_CFLAGS ${SANITIZER_COMMON_CFLAGS}) # Win/ASan relies on the runtime functions being hotpatchable. See # https://github.com/llvm/llvm-project/pull/149444 -if(MSVC) +# MSVC cl 64 bit architectures treat /hotpatch as an unknown option +if(CLANG_CL OR (MSVC AND "i386" IN_LIST ASAN_SUPPORTED_ARCH)) list(APPEND ASAN_CFLAGS /hotpatch) endif()