[libcxx-commits] [libcxx] [ASan][libc++] Update string ASan annotations to Zero-overhead (PR #76165)

[Louis Dionne via libcxx-commits]

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@@ -1490,6 +1490,16 @@ __sanitizer_verify_double_ended_contiguous_container(const void*, const void*, c
 #    define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK
 #  endif
 
+// ASan related macros
+// _LIBCPP_IF_ASAN is used to removed ASan related code, whenever compiled without ASan.
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ldionne wrote:

Since this is not suuuuper clean, I would suggest keeping this inside `<string>` and name it something string-specific like `_LIBCPP_STRING_IF_ASAN`. Hopefully in the future we can just clean it up.

https://github.com/llvm/llvm-project/pull/76165