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From: "spark at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/34171] [4.3 Regression] Segfault in df_chain_remove_problem with -O3 on alpha
Date: Wed, 21 Nov 2007 16:22:00 -0000 [thread overview]
Message-ID: <20071121162207.2904.qmail@sourceware.org> (raw)
In-Reply-To: <bug-34171-12387@http.gcc.gnu.org/bugzilla/>
------- Comment #7 from spark at gcc dot gnu dot org 2007-11-21 16:22 -------
(In reply to comment #6)
> Subject: Re: [4.3 Regression] Segfault in df_chain_remove_problem
> with -O3 on alpha
>
> So it means the basic block has been deleted.
>
> I want to see what happens if I consolidate all the
> out_of_date_transfer_functions bitmaps into one. Seongbae, do you
> remember experimenting with anything like that?
>
> Paolo
Not really.
I agree that it's most likely a bb being deleted though.
I guess somebody will have to trace through using a debugger
I'll try to build a cross to alpha and see if I can reproduce the problem
today.
--
spark at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |spark at gcc dot gnu dot org
|dot org |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34171
next prev parent reply other threads:[~2007-11-21 16:22 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-21 9:18 [Bug rtl-optimization/34171] New: " tbm at cyrius dot com
2007-11-21 9:19 ` [Bug rtl-optimization/34171] " tbm at cyrius dot com
2007-11-21 9:20 ` tbm at cyrius dot com
2007-11-21 9:20 ` tbm at cyrius dot com
2007-11-21 9:47 ` bonzini at gnu dot org
2007-11-21 10:56 ` tbm at cyrius dot com
2007-11-21 12:52 ` paolo dot bonzini at lu dot unisi dot ch
2007-11-21 16:22 ` spark at gcc dot gnu dot org [this message]
2007-11-21 17:47 ` steven at gcc dot gnu dot org
2007-11-21 18:11 ` tbm at cyrius dot com
2007-11-21 20:03 ` steven at gcc dot gnu dot org
2007-11-21 20:23 ` tbm at cyrius dot com
2007-11-21 20:41 ` spark at gcc dot gnu dot org
2007-11-21 22:09 ` spark at gcc dot gnu dot org
2007-11-21 22:30 ` steven at gcc dot gnu dot org
2007-11-21 22:43 ` spark at gcc dot gnu dot org
2007-11-22 0:30 ` spark at gcc dot gnu dot org
2007-11-22 7:06 ` steven at gcc dot gnu dot org
2007-11-25 2:47 ` pinskia at gcc dot gnu dot org
2007-11-27 22:25 ` mmitchel at gcc dot gnu dot org
2007-11-30 17:03 ` spark at gcc dot gnu dot org
2007-11-30 17:07 ` jakub at gcc dot gnu dot org
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