https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117911
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2024-12-05 Keywords| |needs-reduction Ever confirmed|0 |1 --- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> --- Confirmed the symptom. We do quite some loop opts, but adding -fno-unswitch-loops -fno-tree-vectorize does not resolve the issue. Using -O2 instead of -O3 and -fno-tree-vectorize still reproduces it on trunk, but GCC 14.2 is OK. Definitely needs reduction.