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[Bug rtl-optimization/67778] [6 Regression] ICE on valid code at -O3 on x86_64-linux-gnu in maybe_record_trace_start, at dwarf2cfi.c:2297
- 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: Wed, 02 Dec 2015 07:09:00 +0000
- Subject: [Bug rtl-optimization/67778] [6 Regression] ICE on valid code at -O3 on x86_64-linux-gnu in maybe_record_trace_start, at dwarf2cfi.c:2297
- Auto-submitted: auto-generated
- References: <bug-67778-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67778
--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Segher Boessenkool from comment #9)
> I cannot reproduce the problem, #c2, not with any flags I tried,
> not with a 20151122 compiler either. Help?
#c2 testcase, x86_64-linux compiler, -m32 -O2, reproduces this for me reliably.
Say with -mtune=generic -march=i386 (or -march=x86_64, or -march=i686).
-m32 -O3 too. r231142 reproduces it too.
-m32 -O2 -fno-shrink-wrap does not ICE. Are you using a cross-compiler from
some other target?