From: Michael Heerdegen <michael_heerdegen@web.de>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: "Mattias Engdegård" <mattiase@acm.org>, 34781@debbugs.gnu.org
Subject: bug#34781: 27.0.50; integer in pcase sometimes compared by eq
Date: Thu, 28 Mar 2019 20:47:42 +0100 [thread overview]
Message-ID: <87y34y4w81.fsf@web.de> (raw)
In-Reply-To: <e14a8227-3c34-0789-c400-5cb07301f465@cs.ucla.edu> (Paul Eggert's message of "Thu, 28 Mar 2019 11:25:55 -0700")
Paul Eggert <eggert@cs.ucla.edu> writes:
> What happens if a source file that uses pcase is compiled on a 64-bit
> machine that has wide fixnums, and is then loaded and run on a 32-bit
> machine that has narrow fixnums? Will this pcase code still work? And
> if not, are there similar bugs elsewhere in the pcase code?
AFAIU the patch only corrects an optimization (use `memq' instead of
`member') that doesn't work for bignums. This can never be harmful.
I had a quick look at pcase.el, and also tried the obvious cases (quote,
backquote), and didn't find any other obvious bug.
Michael.
next prev parent reply other threads:[~2019-03-28 19:47 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-07 15:13 bug#34781: 27.0.50; integer in pcase sometimes compared by eq Mattias Engdegård
[not found] ` <handler.34781.B.15519717565134.ack@debbugs.gnu.org>
2019-03-12 12:24 ` bug#34781: Acknowledgement (27.0.50; integer in pcase sometimes compared by eq) Mattias Engdegård
2019-03-16 19:09 ` bug#34781: 27.0.50; integer in pcase sometimes compared by eq Mattias Engdegård
2019-03-28 18:25 ` Paul Eggert
2019-03-28 19:47 ` Michael Heerdegen [this message]
2019-03-28 20:33 ` Paul Eggert
2019-03-28 21:30 ` Michael Heerdegen
2019-03-28 19:51 ` Mattias Engdegård
2019-03-28 20:30 ` Paul Eggert
2019-03-28 21:51 ` Mattias Engdegård
2019-03-28 22:10 ` Paul Eggert
2019-03-28 22:11 ` Stefan Monnier
2019-03-28 22:20 ` Mattias Engdegård
2019-03-28 22:38 ` Paul Eggert
2019-03-28 23:03 ` Mattias Engdegård
2019-03-29 8:48 ` Eli Zaretskii
2019-03-29 9:52 ` Mattias Engdegård
2019-03-29 12:33 ` Eli Zaretskii
2019-03-28 19:43 ` Michael Heerdegen
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