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From: "msebor at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/61677] False positive with -Wmaybe-uninitialized
 (predicate analysis, VRP)
Date: Mon, 29 Mar 2021 21:29:25 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D61677

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |msebor at gcc dot gnu.org

--- Comment #8 from Martin Sebor <msebor at gcc dot gnu.org> ---
The false positive for the reduced test case from comment #4 was fixed by
r220696.  r11-7898 adds it to the testsuite.  The unreduced test case from
attachment 33055 still warns with GCC 11:

$ gcc -O2 -S -Wall pr61677-c0.c=20
In file included from scripts/kconfig/zconf.tab.c:2537:
scripts/kconfig/menu.c: In function =E2=80=98get_symbol_str=E2=80=99:
scripts/kconfig/menu.c:590:18: warning: =E2=80=98jump=E2=80=99 may be used =
uninitialized in
this function [-Wmaybe-uninitialized]
In file included from scripts/kconfig/zconf.tab.c:2537:
scripts/kconfig/menu.c:551:19: note: =E2=80=98jump=E2=80=99 was declared he=
re=