[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

[jakub at gcc dot gnu.org]

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?