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Subject: [Bug tree-optimization/106112] [10/11/12 Regression] wrong code at
 -Os and above on x86_64-linux-gnu since r10-2711-g3ed01d5408045d80
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106112

--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Richard Biener
<rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:854ab8be5d9ddfc5b4d57a5c040d1811a89fbe4f

commit r12-8582-g854ab8be5d9ddfc5b4d57a5c040d1811a89fbe4f
Author: Richard Biener <rguenther@suse.de>
Date:   Tue Jun 28 13:57:29 2022 +0200

    tree-optimization/106112 - fix CSE from wider operation

    The following fixes a mistake in looking up an extended operand
    in the CSE of a truncated operation.

    2022-06-28  Richard Biener  <rguenther@suse.de>

            PR tree-optimization/106112
            * tree-ssa-sccvn.cc (valueized_wider_op): Properly extend
            a constant operand according to its type.

            * gcc.dg/torture/pr106112.c: New testcase.

    (cherry picked from commit 2dbb45d6dc0d20dc159b3d8e27ebb6825074827a)=