libsanitizer/README.gcc

   1 The AddressSanitizer (http://code.google.com/p/address-sanitizer) is
   2 a project developed by Google Inc. The source files of the project
   3 are hosted at http://llvm.org/svn/llvm-project/compiler-rt. These files
   4 are the ones in the asan subdirectory of that project.