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From: "jason at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/106654] [C++23] P1774 - Portable assumptions
Date: Sat, 17 Sep 2022 12:09:50 +0000 [thread overview]
Message-ID: <bug-106654-4-pc7gTHAg4c@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-106654-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106654
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Last reconfirmed| |2022-09-17
Status|UNCONFIRMED |NEW
--- Comment #8 from Jason Merrill <jason at gcc dot gnu.org> ---
(In reply to Aldy Hernandez from comment #7)
> Silly question, why can't you expand the [[assume]] construct into:
>
> if (x > 5)
> __builtin_unreachable ();
>
> ...like we always have. Then no changes are needed to ranger :). Or does
> this have to do with the whole side-effect thing?
Exactly. For expressions with no side-effects, we can do that. For, say, a
call to a non-const function, we need to avoid actually emitting the call.
next prev parent reply other threads:[~2022-09-17 12:09 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-16 17:20 [Bug c++/106654] New: " mpolacek at gcc dot gnu.org
2022-09-14 9:52 ` [Bug c++/106654] " jakub at gcc dot gnu.org
2022-09-14 11:23 ` rguenth at gcc dot gnu.org
2022-09-14 11:26 ` rguenth at gcc dot gnu.org
2022-09-14 11:54 ` jakub at gcc dot gnu.org
2022-09-16 9:20 ` pilarlatiesa at gmail dot com
2022-09-16 16:48 ` jakub at gcc dot gnu.org
2022-09-17 11:34 ` aldyh at gcc dot gnu.org
2022-09-17 12:09 ` jason at gcc dot gnu.org [this message]
2022-09-17 12:12 ` aldyh at gcc dot gnu.org
2022-09-17 12:29 ` jason at gcc dot gnu.org
2022-09-17 18:32 ` aldyh at gcc dot gnu.org
2022-09-21 17:49 ` jakub at gcc dot gnu.org
2022-10-06 7:01 ` cvs-commit at gcc dot gnu.org
2022-10-07 14:20 ` jakub at gcc dot gnu.org
2022-10-08 10:45 ` jakub at gcc dot gnu.org
2022-10-18 8:40 ` cvs-commit at gcc dot gnu.org
2022-10-20 0:37 ` cvs-commit at gcc dot gnu.org
2022-10-20 19:43 ` cvs-commit at gcc dot gnu.org
2022-11-19 9:24 ` jakub at gcc dot gnu.org
2022-11-28 22:32 ` pinskia at gcc dot gnu.org
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