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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Error with -O3 but not -O2: "Wrong type argument: listp".
Date: Mon, 30 Jan 2006 21:21:30 +0200
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> From: David Koppelman <koppel@ece.lsu.edu>
> Date: Mon, 30 Jan 2006 09:58:50 -0600
> Cc: emacs-devel@gnu.org
> 
> What should be done if it is a compiler bug?  Detect the gcc version
> and avoid the -O3 (or use -fno-inline-functions)?  Modify the Emacs
> source to work around the bug?

Probably both, since with compiler bugs, you can never know what other
code it miscompiles.  This one only popped up because you couldn't
bootstrap, but who knows how many other similar problems are out
there.