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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/102622] [9 Regression] Wrong code with -O1
 and above due to phiopt and signed one bit integer types
Date: Mon, 11 Oct 2021 09:24:50 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102622

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |10.3.1
            Summary|[9/10 Regression] Wrong     |[9 Regression] Wrong code
                   |code with -O1 and above due |with -O1 and above due to
                   |to phiopt and signed one    |phiopt and signed one bit
                   |bit integer types           |integer types

--- Comment #25 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Fixed in GCC 10.4.0 now.  Will backport the GCC 10 patch tomorrow/later tod=
ay.=