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From: "carlosgalvezp at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/31331] Wenum-constexpr-conversion should be fixed, soon treated as a hard error
Date: Sun, 11 Feb 2024 18:21:37 +0000	[thread overview]
Message-ID: <bug-31331-4717-jZokYdlIY0@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-31331-4717@http.sourceware.org/bugzilla/>

https://sourceware.org/bugzilla/show_bug.cgi?id=31331

--- Comment #27 from Carlos Galvez <carlosgalvezp at gmail dot com> ---
There's 2 orthogonal issues:

- C enums have implementation-defined underlying type.
- C enums get promoted to signed ints when operating arithmetically
(well-defined behavior, specified in the Standard).

If we change the logic of the code from detecting "is enum unsigned" to
detecting "will enum be promoted to signed int" then there shouldn't be any
implementation-defined behavior and the code should behave identically under
all compilers.

-- 
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  parent reply	other threads:[~2024-02-11 18:21 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-02 20:36 [Bug gdb/31331] New: " carlosgalvezp at gmail dot com
2024-02-03  2:40 ` [Bug gdb/31331] " tromey at sourceware dot org
2024-02-03 21:14 ` tromey at sourceware dot org
2024-02-03 21:30 ` sam at gentoo dot org
2024-02-04 18:10 ` carlosgalvezp at gmail dot com
2024-02-04 18:57 ` simon.marchi at polymtl dot ca
2024-02-04 19:56 ` tromey at sourceware dot org
2024-02-04 19:58 ` tromey at sourceware dot org
2024-02-04 21:02 ` tromey at sourceware dot org
2024-02-04 21:19 ` tromey at sourceware dot org
2024-02-04 21:26 ` carlosgalvezp at gmail dot com
2024-02-05 19:28 ` carlosgalvezp at gmail dot com
2024-02-05 19:29 ` carlosgalvezp at gmail dot com
2024-02-05 19:30 ` carlosgalvezp at gmail dot com
2024-02-05 19:47 ` carlosgalvezp at gmail dot com
2024-02-05 19:53 ` simon.marchi at polymtl dot ca
2024-02-05 20:04 ` carlosgalvezp at gmail dot com
2024-02-05 20:08 ` simon.marchi at polymtl dot ca
2024-02-05 20:09 ` simon.marchi at polymtl dot ca
2024-02-05 20:11 ` simon.marchi at polymtl dot ca
2024-02-05 20:43 ` carlosgalvezp at gmail dot com
2024-02-05 20:55 ` carlosgalvezp at gmail dot com
2024-02-05 21:03 ` carlosgalvezp at gmail dot com
2024-02-05 21:19 ` simon.marchi at polymtl dot ca
2024-02-06 18:32 ` carlosgalvezp at gmail dot com
2024-02-07 20:47 ` carlosgalvezp at gmail dot com
2024-02-11 10:02 ` carlosgalvezp at gmail dot com
2024-02-11 17:16 ` tromey at sourceware dot org
2024-02-11 17:19 ` tromey at sourceware dot org
2024-02-11 18:21 ` carlosgalvezp at gmail dot com [this message]
2024-02-11 18:44 ` tromey at sourceware dot org
2024-02-11 20:40 ` carlosgalvezp at gmail dot com
2024-02-13 23:54 ` tromey at sourceware dot org
2024-03-26 15:37 ` tromey at sourceware dot org
2024-04-16 22:57 ` tromey at sourceware dot org
2024-04-17 10:41 ` carlosgalvezp at gmail dot com
2024-04-20 18:22 ` brobecker at gnat dot com
2024-05-08 22:12 ` carlosgalvezp at gmail dot com
2024-05-10 20:35 ` carlosgalvezp at gmail dot com

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