From: Eli Zaretskii <eliz@gnu.org>
To: John Mastro <john.b.mastro@gmail.com>, Paul Eggert <eggert@cs.ucla.edu>
Cc: 29183@debbugs.gnu.org
Subject: bug#29183: 27.0.50; SIGSEGV on C-g on Windows
Date: Wed, 08 Nov 2017 20:53:53 +0200 [thread overview]
Message-ID: <83wp30r48u.fsf@gnu.org> (raw)
In-Reply-To: <CAOj2CQRR+pKJanCc32K0uR1R+wH00tfDH-HeWqDh7hm9h8G+qA@mail.gmail.com> (message from John Mastro on Wed, 8 Nov 2017 10:35:06 -0800)
> From: John Mastro <john.b.mastro@gmail.com>
> Date: Wed, 8 Nov 2017 10:35:06 -0800
> Cc: 29183@debbugs.gnu.org
>
> Ah, thanks. After preprocessing, that line becomes:
>
> static struct thread_state __attribute__ ((aligned (8))) main_thread;
That's what it should have become...
> >> $ gcc --version
> >> gcc.exe (Rev1, Built by MSYS2 project) 7.2.0
> >
> > Should be okay, I think. Does the problem go away if you remove
> > GCALIGNED from that line in thread.c and rebuild?
>
> Yep, the SIGSEGV is gone if I remove GCALIGNED from that line.
Hmm... so it sounds like our assumption that this attribute should be
a no-op in this case is incorrect, or maybe it's a bug in GCC 7.2?
Paul?
next prev parent reply other threads:[~2017-11-08 18:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-06 21:58 bug#29183: 27.0.50; SIGSEGV on C-g on Windows John Mastro
2017-11-07 3:36 ` Eli Zaretskii
2017-11-07 18:14 ` John Mastro
2017-11-07 19:41 ` Eli Zaretskii
2017-11-07 21:24 ` John Mastro
2017-11-08 3:43 ` Eli Zaretskii
2017-11-08 18:35 ` John Mastro
2017-11-08 18:53 ` Eli Zaretskii [this message]
2017-11-08 22:46 ` Paul Eggert
2017-11-08 23:41 ` John Mastro
2017-11-09 4:56 ` Paul Eggert
2017-11-09 17:59 ` John Mastro
2017-11-09 14:59 ` Davor Rotim
2017-11-09 17:04 ` Eli Zaretskii
2017-11-09 18:10 ` Davor Rotim
2017-12-01 10:00 ` Noam Postavsky
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