https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71634
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2016-07-12 Summary|Invalid write with in |[4.9//5/6 Regression] |mark_loops_for_removal |Invalid write with in |(ira-build.c:2256) with |mark_loops_for_removal |--param ira-max-loops-num=0 |(ira-build.c:2256) with | |--param ira-max-loops-num=0 Ever confirmed|0 |1 --- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> --- Fixed on trunk, all active branches suffer from the same issue. I've been testing the same patch.