From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: gpion@lfdj.com, Eli Zaretskii <eliz@gnu.org>, emacs-devel@gnu.org
Subject: conservative stack scanning (was: Re: bug#13408: Emacs pretest 24.2.92 - compilation error on AIX 5.3 using gcc 4.7-2)
Date: Fri, 11 Jan 2013 14:51:27 -0500 [thread overview]
Message-ID: <jwv8v7z4ie9.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <50F063DD.2040504@cs.ucla.edu> (Paul Eggert's message of "Fri, 11 Jan 2013 11:11:25 -0800")
> No, GCC consistently refused to compile it. It's just that
> this code is rarely compiled -- it's normally ifdeffed out,
> so GCC doesn't see the problem. I suppose that on AIX the
> code is not ifdeffed out, so that's why the bug was reported
> for AIX.
Ah, that's where the AIX-dependence comes from!
Shouldn't we just enable conservative stack scanning for
all architectures? AFAIK, the only systems where we don't use it are
systems where we don't know whether we can use it, rather than systems
where we know we can't use it.
Stefan
next prev parent reply other threads:[~2013-01-11 19:51 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-10 17:46 bug#13408: Emacs pretest 24.2.92 - compilation error on AIX 5.3 using gcc 4.7-2 Gilles Pion
2013-01-11 6:26 ` Glenn Morris
2013-01-11 8:24 ` Eli Zaretskii
2013-01-11 8:03 ` Paul Eggert
2013-01-11 9:15 ` Eli Zaretskii
2013-01-11 19:11 ` Paul Eggert
2013-01-11 19:51 ` Stefan Monnier [this message]
2013-01-12 1:51 ` conservative stack scanning Paul Eggert
2013-01-12 2:15 ` Broken !GC_MARK_STACK [Re: conservative stack scanning] Dmitry Antipov
2013-01-12 6:19 ` Paul Eggert
2013-01-14 9:59 ` Dmitry Antipov
2013-01-12 4:23 ` conservative stack scanning Stefan Monnier
2013-01-12 5:22 ` Paul Eggert
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