[Bug c/69612] Optimizer does not consider overflow

2016-02-02 Thread manu at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69612 Manuel López-Ibáñez changed: What|Removed |Added CC||manu at gcc dot gnu.org ---

[Bug c/69612] Optimizer does not consider overflow

2016-02-02 Thread roarl at pvv dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69612 --- Comment #2 from Roar Lauritzsen --- Thanks a lot for the quick analysis. Now that I know what it is I can fix my program, and the -fsanitize=undefined will come in handy for localizing problem areas. For future googlers, I am planning to fix

[Bug c/69612] Optimizer does not consider overflow

2016-02-01 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69612 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|