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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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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 10:55:55 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105562

Martin Li=C5=A1ka <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[12 Regression]             |[12/13 Regression]
                   |std::function<bool(char)>:: |std::function<bool(char)>::
                   |_M_invoker may be used      |_M_invoker may be used
                   |uninitialized in std::regex |uninitialized in std::regex
                   |move with                   |move with
                   |-fno-strict-aliasing        |-fno-strict-aliasing since
                   |                            |r12-6216-g5a431b60d1f22199
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2022-05-11
                 CC|                            |marxin at gcc dot gnu.org,
                   |                            |msebor at gcc dot gnu.org

--- Comment #1 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
Started with r12-6216-g5a431b60d1f22199.=