GNU bug report logs - #39509
Incorrect expansion of 'error' calls with non-constant argument

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Package: guile;

Reported by: Klaus Stehle <klaus.stehle <at> uni-tuebingen.de>

Date: Sat, 8 Feb 2020 08:42:02 UTC

Severity: normal

Done: Ludovic Courtès <ludo <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Klaus Stehle <klaus.stehle <at> uni-tuebingen.de>
To: bug-guile <at> gnu.org
Subject: guile-3.0.0: Error while printing exception
Date: Sat, 08 Feb 2020 09:41:03 +0100

Hi,
a strange problem with guile-3.0.0 ...


;; (I) This one-line program shows an error message, no problem:

(error "We want to see this error message!")




;; (II) A similar program doesn't show the message, if it has been compiled:

(error (format #f "We want to see this error message!"))




;; The compiled program II says: "Error while printing exception".
;; It doesn't matter which function produces the string for the error message.
;; The compiled version does not work, if the message string is the returned
;; value of a function. The pure example:

(error ((lambda () "If compiled we won't see this error message!")))



Best regards,
Klaus
This bug report was last modified 5 years and 161 days ago.

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