https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71953
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #2) > looks like initialize_sanitizer_builtins needs to be called again. Maybe in > asan_dynamic_init_call. > > And rather it looks like undefined sanitizer was fixed just not address > santitizer for that bug report :). Aha! Yes that looks likely.