https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61547
--- Comment #4 from Kostya Serebryany <kcc at gcc dot gnu.org> --- (In reply to Richard Biener from comment #3) > (In reply to Kostya Serebryany from comment #2) > > Note that in clang we chose not to instrument any builtins in compiler, > > but instead fully rely on interceptors. > > So you never expand such builtins inline? Not that I know of. LLVM has only 3 builtins like this (memset/memcpy/memmove): http://llvm.org/docs/LangRef.html#standard-c-library-intrinsics And asan replaces these builtins with asan's own call (e.g. __asan_memset)
