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[Bug bootstrap/55388] [4.8 regression] ICE in int_mode_for_mode at stor-layout.c:423 breaks sparc64-linux bootstrap
- From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 22 Nov 2012 08:32:51 +0000
- Subject: [Bug bootstrap/55388] [4.8 regression] ICE in int_mode_for_mode at stor-layout.c:423 breaks sparc64-linux bootstrap
- Auto-submitted: auto-generated
- References: <bug-55388-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55388
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2012-11-22
CC| |ebotcazou at gcc dot
| |gnu.org
Ever Confirmed|0 |1
--- Comment #8 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-11-22 08:32:51 UTC ---
> Thanks. After trying and failing to convince it to fail in cross environment,
> it finally dawned on me that the failure was during stage 2, so presumably
> this is a miscompile of cc1plus. Sorry for the runaround.
Yes, this looks like a miscompilation.
> I'll try to reproduce the failure on gcc62, but I'm guessing it will take
> a while to reach the failure point.
This reproduces only with Mikael's configure options, i.e. in release mode, so
it isn't that long.