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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/96311] false positive for -Wunused-but-set-variable (const/constexpr identifier used in generic lambda)
Date: Mon, 27 Jul 2020 07:11:11 +0000 [thread overview]
Message-ID: <bug-96311-4-ZFy9APWhmK@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-96311-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96311
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
CC| |marxin at gcc dot gnu.org
Last reconfirmed| |2020-07-27
Status|UNCONFIRMED |WAITING
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Confirmed, but it seems the code is rejected with clang:
pr96311.c:6:10: error: variable 'used' cannot be implicitly captured in a
lambda with no capture-default specified
return used;
^
pr96311.c:3:16: note: 'used' declared here
constexpr int used = 0;
^
pr96311.c:4:2: note: lambda expression begins here
[](auto unused)
^
pr96311.c:4:2: warning: expression result unused [-Wunused-value]
[](auto unused)
^~~~~~~~~~~~~~~
2 warnings and 1 error generated.
Is it a valid test-case?
next prev parent reply other threads:[~2020-07-27 7:11 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-24 15:36 [Bug c++/96311] New: " tilkax at gmail dot com
2020-07-27 7:11 ` marxin at gcc dot gnu.org [this message]
2020-07-27 7:40 ` [Bug c++/96311] " tilkax at gmail dot com
2020-07-27 10:09 ` [Bug c++/96311] [8/9/10/11 Regression] " jakub at gcc dot gnu.org
2020-07-27 10:17 ` jakub at gcc dot gnu.org
2021-02-11 15:25 ` jakub at gcc dot gnu.org
2021-03-10 17:29 ` hewillk at gmail dot com
2021-04-05 20:04 ` jason at gcc dot gnu.org
2021-04-05 21:27 ` cvs-commit at gcc dot gnu.org
2021-04-05 21:29 ` [Bug c++/96311] [8/9/10 " jason at gcc dot gnu.org
2021-05-14 9:53 ` [Bug c++/96311] [9/10 " jakub at gcc dot gnu.org
2021-05-20 21:35 ` cvs-commit at gcc dot gnu.org
2021-06-01 8:18 ` rguenth at gcc dot gnu.org
2022-05-13 17:41 ` [Bug c++/96311] [9 " cvs-commit at gcc dot gnu.org
2022-05-13 17:45 ` jason at gcc dot gnu.org
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