https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71588
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2016-06-20 CC| |jakub at gcc dot gnu.org Summary|ICE on valid code at -O2 |[4.9/5/6/7 Regression] ICE |and -O3 on |on valid code at -O2 and |x86_64-linux-gnu: in |-O3 on x86_64-linux-gnu: in |execute_todo, at |execute_todo, at |passes.c:2009 |passes.c:2009 Ever confirmed|0 |1 --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Most likely started with my r179279. Guess easiest would be for builtins that aren't meant to be const or pure give up on all tree-ssa-strlen.c optimizations if somebody misattributes them.