[compiler-rt] Move logic which replace memcpy interceptor with memmove from asan to sanitizer_common.

Reviewers: eugenis

Subscribers: kubabrecka, dberris, llvm-commits

Differential Revision: https://reviews.llvm.org/D28074

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@290626 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 9 deletions

diff --git a/lib/asan/asan_mac.cc b/lib/asan/asan_mac.cc
index 525864f72..baf533ac9 100644
--- a/lib/asan/asan_mac.cc
+++ b/lib/asan/asan_mac.cc
@@ -49,15 +49,6 @@ namespace __asan {
 void InitializePlatformInterceptors() {}
 void InitializePlatformExceptionHandlers() {}
 
-bool PlatformHasDifferentMemcpyAndMemmove() {
-  // On OS X 10.7 memcpy() and memmove() are both resolved
-  // into memmove$VARIANT$sse42.
-  // See also https://github.com/google/sanitizers/issues/34.
-  // TODO(glider): need to check dynamically that memcpy() and memmove() are
-  // actually the same function.
-  return GetMacosVersion() == MACOS_VERSION_SNOW_LEOPARD;
-}
-
 // No-op. Mac does not support static linkage anyway.
 void *AsanDoesNotSupportStaticLinkage() {
   return 0;