https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92620
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Note, -fno-builtin-memcpy doesn't mean the compiler can't insert calls to memcpy, but rather that memcpy calls aren't treated as special calls, aren't expanded inline unless memcpy is inline function in the source and various other properties of the call aren't considered unless specified in the source on the memcpy prototype (say aliasing behavior, what the function can and can't access etc.).