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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/105562] [12/13 Regression] std::function<bool(char)>::_M_invoker may be used uninitialized in std::regex move with -fno-strict-aliasing since r12-6216-g5a431b60d1f22199
Date: Wed, 11 May 2022 11:54:34 +0000	[thread overview]
Message-ID: <bug-105562-4-XJAXfBJi8o@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-105562-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105562

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Since r12-2468 it should be impossible for those members to be uninitialized,
and valgrind shows no uninitialized data. I think this is a compiler bug.

(In reply to Martin Liška from comment #1)
> Started with r12-6216-g5a431b60d1f22199.

That only changed how -Wsystem-headers affects warnings (and not an improvement
IMHO).

The bogus warning was already present before then if you use -Wsystem-headers

  parent reply	other threads:[~2022-05-11 11:54 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-11 10:48 [Bug libstdc++/105562] New: [12 Regression] std::function<bool(char)>::_M_invoker may be used uninitialized in std:regex move with -fno-strict-aliasing andrey.vihrov at gmail dot com
2022-05-11 10:55 ` [Bug libstdc++/105562] [12/13 Regression] std::function<bool(char)>::_M_invoker may be used uninitialized in std::regex move with -fno-strict-aliasing since r12-6216-g5a431b60d1f22199 marxin at gcc dot gnu.org
2022-05-11 11:05 ` rguenth at gcc dot gnu.org
2022-05-11 11:32 ` andrey.vihrov at gmail dot com
2022-05-11 11:54 ` redi at gcc dot gnu.org [this message]
2022-05-11 12:44 ` [Bug libstdc++/105562] std::function<bool(char)>::_M_invoker may be used uninitialized in std::regex move with -fno-strict-aliasing redi at gcc dot gnu.org
2022-05-11 12:56 ` redi at gcc dot gnu.org
2022-05-11 12:57 ` redi at gcc dot gnu.org
2022-05-11 12:59 ` redi at gcc dot gnu.org
2022-05-12  9:27 ` jakub at gcc dot gnu.org
2022-05-12  9:35 ` jakub at gcc dot gnu.org
2022-05-12  9:54 ` rguenth at gcc dot gnu.org
2022-05-12  9:57 ` rguenth at gcc dot gnu.org
2022-05-12 10:07 ` rguenth at gcc dot gnu.org
2022-05-12 11:27 ` cvs-commit at gcc dot gnu.org
2022-05-12 11:28 ` [Bug libstdc++/105562] [12 Regression] " rguenth at gcc dot gnu.org
2022-05-19 12:47 ` cvs-commit at gcc dot gnu.org
2022-05-19 12:50 ` rguenth at gcc dot gnu.org
2022-10-22  0:50 ` pinskia at gcc dot gnu.org
2023-05-26 21:40 ` urisimchoni at gmail dot com
2023-09-12 12:04 ` jakub1miernik at gmail dot com
2023-12-06 10:03 ` romain.geissler at amadeus dot com
2023-12-06 10:26 ` rguenth at gcc dot gnu.org
2023-12-06 10:35 ` romain.geissler at amadeus dot com
2023-12-06 10:43 ` rguenther at suse dot de
2023-12-06 10:50 ` jakub at gcc dot gnu.org
2023-12-06 11:13 ` romain.geissler at amadeus dot com
2023-12-06 11:16 ` sjames at gcc dot gnu.org

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