GNU bug report logs - #31688
26.1.50; Byte compiler confuses two string variables

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Message #38 received at 31688 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Phil Sainty <psainty <at> orcon.net.nz>
Cc: Gemini Lasswell <gazally <at> runbox.com>, 31688 <at> debbugs.gnu.org,
 Noam Postavsky <npostavs <at> gmail.com>,
 bug-gnu-emacs <bug-gnu-emacs-bounces+psainty=orcon.net.nz <at> gnu.org>
Subject: Re: bug#31688: 26.1.50; Byte compiler confuses two string variables
Date: Sun, 03 Jun 2018 15:05:23 +0200

On Jun 04 2018, Phil Sainty <psainty <at> orcon.net.nz> wrote:

> On 2018-06-03 11:54, Noam Postavsky wrote:
>> What, you don't like optimization? ;)
>
> I generally dislike it when byte-compiled and interpreted code
> give different results.

This really has nothing to do with byte-compilation.  Whether literals
are shared or not should not be relied upon.  You always have to be
careful when modifying values in-place.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."

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