[Bug tree-optimization/110369] wrong code on x86_64-linux-gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110369 Alexander Monakov changed: What|Removed |Added CC||amonakov at gcc dot gnu.org --- Comment #2 from Alexander Monakov --- The loop over 'e' is never entered, because 'a' is zero.
[Bug tree-optimization/110369] wrong code on x86_64-linux-gnu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110369 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment #1 from Marek Polacek --- I don't think it's wrong code: 110369.c:8:9: warning: iteration 2 invokes undefined behavior [-Waggressive-loop-optimizations] 8 | printf("%d", b[e]); | ^~ 110369.c:7:21: note: within this loop 7 | for (e = 0; e < 5; e++) { | ~~^~~ The behavior changed in r14-338.