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[Bug rtl-optimization/51069] [4.7 Regression] ICE in verify_loop_structure, at cfgloop.c:1559
- From: "hubicka at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 27 Dec 2011 18:32:05 +0000
- Subject: [Bug rtl-optimization/51069] [4.7 Regression] ICE in verify_loop_structure, at cfgloop.c:1559
- Auto-submitted: auto-generated
- References: <bug-51069-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51069
--- Comment #5 from Jan Hubicka <hubicka at gcc dot gnu.org> 2011-12-27 18:32:05 UTC ---
note that remove_path may affect presence of irreducible loops and it already
has logic to update the flags. It seems to be case that gets missed. I am
trying to make sense of it now.