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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/109559] [12/13/14 Regression] Unexpected
 -Wmaybe-uninitialized warning when inlining with system header
Date: Wed, 19 Apr 2023 20:30:52 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109559

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Originally this happened when including boost headers, function_template.hp=
p in
particular, where newer versions suppress a lot of warnings:

commit b75386f628b46f1060a20b6e015931bac37b7da7 (origin/feature/drone)
Author: Peter Dimov <pdimov@gmail.com>
Date:   Sun Feb 12 04:50:04 2023 +0200

    Avoid -Wuninitialized under GCC 11.3

commit 9229ed30103df59a4f989ca0235b0d1026bf6e1c
Author: Peter Dimov <pdimov@gmail.com>
Date:   Sun Feb 12 04:47:38 2023 +0200

    Avoid another -Wmaybe-uninitialized under GCC 11/12

commit 16fca8368b5da14c4bcad977c2738dc6e482e1b7 (tag: boost-1.81.0.beta1, t=
ag:
boost-1.81.0, tag: boost-1.80.0.beta1, tag: boost-1.80.0,
origin/feature/issue-42)
Author: Peter Dimov <pdimov@gmail.com>
Date:   Mon May 30 20:25:13 2022 +0300

    Keep -Wmaybe-uninitialized disabled

commit 4cf7c718b873223cbab6f8188bea2034f27ba99d
Merge: 389f886 5b4e279
Author: Peter Dimov <pdimov@gmail.com>
Date:   Mon May 30 19:56:08 2022 +0300

    Merge branch 'gcc12-Wuninitialized' of
https://github.com/jngrad/boost-function into feature/issue-42

commit abc1bf9b4ae3f45251d17b451c69c3e79dfd0cf6 (origin/feature/update-ci)
Author: Peter Dimov <pdimov@gmail.com>
Date:   Mon May 30 18:44:07 2022 +0300

    Extend GCC 11 workaround to GCC 12 as well

commit 5b4e2797a28f9477d2df5fa915409dac73ff00c6
Author: Jean-No=C3=ABl Grad <jgrad@icp.uni-stuttgart.de>
Date:   Mon May 30 16:16:41 2022 +0200

    Avoid -Wuninitialized warnings in GCC 12

commit 277757befc321bda3b9d8038ee59ae6e4616cdca
Author: Peter Dimov <pdimov@gmail.com>
Date:   Thu Dec 16 06:18:06 2021 +0200

    Disable -Wmaybe-uninitialized in function_template.hpp for GCC 11

commit 7c90434317894f1a0c63c7a395ddf569eff1d308
Author: Romain Geissler <romain.geissler@amadeus.com>
Date:   Fri Mar 27 18:56:14 2020 +0000

    Avoid -Wmaybe-uninitialized warnings in gcc (issue #27).=