[compiler-rt] [compiler-rt][sanitizer-common] adding C23 memset_explicit interception. (PR #154428)

[Vitaly Buka via llvm-commits]

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@@ -42,6 +42,9 @@ using namespace __tsan;
 
 DECLARE_REAL(void *, memcpy, void *to, const void *from, SIZE_T size)
 DECLARE_REAL(void *, memset, void *block, int c, SIZE_T size)
+#if SANITIZER_MEMSET_EXPLICIT
+DECLARE_REAL(void *, memset_explicit, void *block, int c, SIZE_T size)
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vitalybuka wrote:

why do we need these?

https://github.com/llvm/llvm-project/pull/154428