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[Bug middle-end/59743] [4.9 Regression] ICE: Segmentation fault
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 09 Jan 2014 23:45:04 +0000
- Subject: [Bug middle-end/59743] [4.9 Regression] ICE: Segmentation fault
- Auto-submitted: auto-generated
- References: <bug-59743-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59743
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Jeffrey A. Law from comment #5)
> I think we can just check DF_INSN_LUIDs here to catch this case. My systems
> are busy right now, but I should be able to nail this down as soon as one
> frees up.
But is DF_INSN_LUID always computed? I mean, for -O2 it probably is, but what
about -O -free ? For -O I think the live problem isn't on and thus I think
DF_INSN_LUID isn't computed. The DF documentation is unfortunately
non-existent :(.