https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124035
--- Comment #2 from Tamar Christina <tnfchris at gcc dot gnu.org> --- (In reply to Andrew Pinski from comment #1) > I thought there was a bug report saying we should lower memcpy with a > constant always to an array copy already. You have https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102203 but wasn't quite sure if a dup or not
