[15953] in Athena Bugs

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Re: vconcat of bool-vectors cores emacs

daemon@ATHENA.MIT.EDU (Greg Hudson)
Wed May 27 20:11:07 1998

Date: Wed, 27 May 1998 20:11:06 -0400
From: Greg Hudson <ghudson@MIT.EDU>
To: Ray Jones <rjones@pobox.com>
Cc: bugs@MIT.EDU
In-Reply-To: "[15952] in Athena Bugs"

> this code cores emacs19:

Yup, what happens is concat() tries to loop over the first argument,
and the code for looping over bool-vector arguments was unexercised
and had two bugs (it didn't index into the byte value properly, and
more importantly it didn't increment the source index, so it just kept
writing the first source bit into increasing elements of the target
until bad things happened).  I'll fix this bug for the Athena 8.2
release, but I don't know what else might be wrong with bool vectors
in 19.34b.  (emacs 20 seems to have fixed this bug.)

Thanks for the bug report.

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