[compiler-rt] [compiler-rt][memprof] memccpy interception (PR #155101)

[Teresa Johnson via llvm-commits]

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@@ -49,6 +49,16 @@ int internal_memcmp(const void* s1, const void* s2, uptr n) {
   return 0;
 }
 
+void *internal_memccpy(void *dest, const void *src, int c, uptr n) {
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teresajohnson wrote:

It would be good to have a test for this. Unfortunately, I don't see any internal_* functions being tested in compiler-rt/test right now, but it would make sense to start with this one.

https://github.com/llvm/llvm-project/pull/155101