GNU bug report logs - #46812
28.0.50; [native-comp] (lambda (x) (if (= x 0.0) (floatp x) (error ""))) miscompiled

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Package: emacs;

Reported by: Pip Cet <pipcet <at> gmail.com>

Date: Sat, 27 Feb 2021 13:54:01 UTC

Severity: normal

Found in version 28.0.50

Done: Andrea Corallo <akrl <at> sdf.org>

Bug is archived. No further changes may be made.

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Message #11 received at 46812 <at> debbugs.gnu.org (full text, mbox):

From: Andrea Corallo <akrl <at> sdf.org>
To: Pip Cet <pipcet <at> gmail.com>
Cc: 46812 <at> debbugs.gnu.org
Subject: Re: bug#46812: 28.0.50; [native-comp] (lambda (x) (if (= x 0.0)
 (floatp x) (error ""))) miscompiled
Date: Sat, 27 Feb 2021 21:15:57 +0000

Pip Cet <pipcet <at> gmail.com> writes:

> In *scratch*, evaluate
>
> (funcall (native-compile `(lambda (x) (if (= x 0.0) (floatp x) (error "")))) 0)

Nice reproducer for a nice bug.

This week-end I'm mostly off, will come back on this very quickly.

Thanks for reporting.

  Andrea
This bug report was last modified 4 years and 134 days ago.

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