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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: My Emacs unicode 2 crash again when I do some *Replace String
	(M-%)*, I give the debug informations under gdb in the attachments.
Date: Sun, 11 Mar 2007 23:10:47 +0200
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References: <20070306063056.GA21948@debian-testing-hy.localdomain>
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Cc: emacs-devel@gnu.org
To: Stefan Monnier <monnier@iro.umontreal.ca>
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In-reply-to: <jwvejnyrpmv.fsf-monnier+emacs@gnu.org> (message from Stefan
	Monnier on Fri, 09 Mar 2007 17:59:53 -0500)
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> Cc: Miles Bader <miles.bader@necel.com>,  emacs-devel@gnu.org
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Fri, 09 Mar 2007 17:59:53 -0500
> 
> I think -O (aka -O1) should be debug-friendly (so there shouldn't be any
> need for -Odebug).

I disagree.  -O1 selects optimizations based on how expensive they are
at compile time, not on how badly they disrupt debugging.  Many
optimizations that are part of -O2 do no harm at all to debugging, so
there's no reason to give them up.