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From: "jamborm at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug ipa/103083] [10/11/12 Regression] Wrong code due to ipa-cp's
 bits value propagation since r10-5538-gc7ac9a0c7e3916f1
Date: Sun, 30 Jan 2022 12:09:20 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103083

Martin Jambor <jamborm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[10/11/12 Regression] Wrong |[10/11/12 Regression] Wrong
                   |code due to ipa-cp's value  |code due to ipa-cp's bits
                   |range propagation since     |value propagation since
                   |r10-5538-gc7ac9a0c7e3916f1  |r10-5538-gc7ac9a0c7e3916f1

--- Comment #4 from Martin Jambor <jamborm at gcc dot gnu.org> ---
The last proposal to fix this is in
https://gcc.gnu.org/pipermail/gcc-patches/2021-November/585668.html

I will have another look, re-test and ping it soon.=