From: Stefan Monnier <monnier@iro.umontreal.ca>
To: 11038@debbugs.gnu.org
Subject: bug#11038: 24.0.94; 24.0.94; cl loop macroexpand fails with (wrong-type-argument listp emacs)
Date: Sat, 17 Mar 2012 21:37:42 -0400 [thread overview]
Message-ID: <jwvsjh6u1xo.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <20120317222717.4B9EF1FE38@saturn.ch.ristopher.com> (Christopher Schmidt's message of "Sat, 17 Mar 2012 23:27:13 +0100")
> I think I hit on a bug in GNU Emacs 24.0.94.1 (x86_64-unknown-linux-gnu,
> GTK+ Version 2.24.10) of 2012-03-11. This cl loop is not parsed
> correctly.
> (loop for rms in nil
> when t
> do (loop for (gnu . emacs) in nil)
> end)
> Backtrace when evaling this form:
> Debugger entered--Lisp error: (wrong-type-argument listp emacs)
Indeed, there's a bug in cl-expr-contains because it does not correctly
handle all forms of Elisp. This is a very long standing bug. It might
be possible to fix it by macro-expanding the code before calling
cl-expr-contains, but since I'm not familiar with `loop' nor with its
implementation, I'd rather let someone else write the corresponding
patch (which may have to wait for 24.2).
Stefan
next prev parent reply other threads:[~2012-03-18 1:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-17 22:27 bug#11038: 24.0.94; 24.0.94; cl loop macroexpand fails with (wrong-type-argument listp emacs) Christopher Schmidt
2012-03-18 1:37 ` Stefan Monnier [this message]
2012-05-06 14:53 ` Christopher Schmidt
2012-05-06 15:39 ` Stefan Monnier
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