https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105629
Hans-Peter Nilsson <hp at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rguenth at gcc dot gnu.org --- Comment #1 from Hans-Peter Nilsson <hp at gcc dot gnu.org> --- It's r13-204-g93416de0cb7235, "Remove GIMPLE restriction of ! using match.pd patterns". A brief look at the diff of the assembly between that and that^ indicates a code quality regression.