https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89208
Alexander Monakov <amonakov at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |amonakov at gcc dot gnu.org --- Comment #2 from Alexander Monakov <amonakov at gcc dot gnu.org> --- Yeah, gcc not only assumes memcpy is always available like libgcc functions, but also that it's safe to call when a==b (see PR 32667 for that aspect).