1. d6396a6 Use the individual -fsanitize=<...> arguments to control which of the UBSan by Richard Smith · 12 years ago
  2. b619688 implement __has_feature(address_sanitizer); also use LangOpts.AddressSanitizer instead of CodeGenOpts.AddressSanitizer by Kostya Serebryany · 13 years ago