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[Bug ipa/59265] [4.9 Regression] Segmentation fault in ipa_note_param_call for -fprofile-use in SPEC CPU2006
- From: "trippels at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 17 Dec 2013 11:57:37 +0000
- Subject: [Bug ipa/59265] [4.9 Regression] Segmentation fault in ipa_note_param_call for -fprofile-use in SPEC CPU2006
- Auto-submitted: auto-generated
- References: <bug-59265-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59265
--- Comment #21 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #20)
> Hmm, it may be someone altering the insns during streaming process. You may
> try to check
> who is doing that while streaming out the relevant .o file.
> Is it compilation->linker streaming or wpa->ltrans?
It is wpa->ltrans:
*** [/tmp/ccgCD7yp.ltrans19.ltrans.o] Error 1
> UIDs are initialized in renumber_gimple_stmt_uids calls in passes.c and then
> you can
> try to check if someone touch the statements....
>
> I will try to check if I spot something obvoius, but probably only tomorrow.
I've tried to bisect the issue, but it's messy.
However I think I can rule out any commit since r205447.
If r205447 is the culprit I cannot say for sure,
because Firefox ICEs during the build.