[llvm-branch-commits] [sanitizer] Add MemCpyAccessible (PR #112794)

[Florian Mayer via llvm-branch-commits]

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@@ -219,6 +219,32 @@ static void StopStackDepotBackgroundThread() {
 static void StopStackDepotBackgroundThread() {}
 #endif
 
+void MemCpyAccessible(void *dest, const void *src, uptr n) {
+  if (TryMemCpy(dest, src, n))
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fmayer wrote:

I am not fully sure about this optimization. In the case where there are holes this makes it more expensive. Does the caller generally know that?

https://github.com/llvm/llvm-project/pull/112794