https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111233
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2023-08-30
Priority|P3 |P1
Ever confirmed|0 |1
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed. Also miscompiled with -O2 -fsplit-loops. Note enabling
-fsplit-loops yields
t.c: In function 'main':
t.c:9:26: warning: iteration 3 invokes undefined behavior
[-Waggressive-loop-optimizations]
9 | for (; f <= 0; f = f + 7) {
| ~~^~~
t.c:9:14: note: within this loop
9 | for (; f <= 0; f = f + 7) {
| ~~^~~~
when this happens we usually end up with an endless loop.
