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[Bug target/56716] during gcc 4.8.0 build on Cygwin: bid128_fma.c:4460:1: internal compiler error: Segmentation fault
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 25 Apr 2013 08:06:47 +0000
- Subject: [Bug target/56716] during gcc 4.8.0 build on Cygwin: bid128_fma.c:4460:1: internal compiler error: Segmentation fault
- Auto-submitted: auto-generated
- References: <bug-56716-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56716
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |WAITING
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> 2013-04-25 08:06:47 UTC ---
(In reply to comment #4)
> (In reply to comment #3)
> > Author: rguenth
> > Date: Wed Mar 27 15:10:50 2013
> > New Revision: 197165
> >
> > URL: http://gcc.gnu.org/viewcvs?rev=197165&root=gcc&view=rev
> > Log:
> > 2013-03-27 Richard Biener <rguenther@suse.de>
> >
> > PR tree-optimization/56716
> > * tree-ssa-structalias.c (perform_var_substitution): Adjust
> > dumping for ref nodes.
> >
> > Modified:
> > trunk/gcc/ChangeLog
> > trunk/gcc/tree-ssa-structalias.c
> >
> > Fixed the issue on trunk. Back to analysis.
>
> I get the same error, and merging revision 197165 from trunk into my
> working-directory for gcc-4_8-branch revision 198253 did not fix the error on
> my system.
>
> This error occured during one of the stages while building gcc, revision
> 198065, checked out from svn://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch for
> MinGW32, Windows 7 Pro 64-bit SP1.
> The error also occurs with revisions 198027 and 198253 -- that is, the error
> has been occuring with revisions for at least these past 7 days.
>
> The error persists after I merged revision 197165 from trunk into my
> working-directory for gcc-4_8-branch revision 198253.
That's expected as the issue I fixed on trunk was not present on the 4.8
branch. Which is why I didn't close this bug. But as I cannot reproduce
it I rely on others for investigation.
Can you please provide a backtrace from the crash?