asan/tsan: change SANITIZER_GO to more general SANITIZER_SUPPORTS_WEAK_HOOKS


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@178009 91177308-0d34-0410-b5e6-96231b3b80d8
asan/tsan: move strcasecmp() interceptor to sanitizer_common


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@178010 91177308-0d34-0410-b5e6-96231b3b80d8
[tsan] make memcpy_race.cc test immune to memcpy inlining

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@178011 91177308-0d34-0410-b5e6-96231b3b80d8