https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32667
--- Comment #37 from Rich Felker <bugdal at aerifal dot cx> --- Also: has anyone even looked at what happens if a C memcpy with proper use of restrict gets LTO-inlined into a caller with GCC-generated memcpy calll where src==dest? That sounds like a case likely to blow up...