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Subject: [Bug tree-optimization/106112] [10/11/12/13 Regression] wrong code
 at -Os and above on x86_64-linux-gnu since r10-2711-g3ed01d5408045d80
Date: Wed, 29 Jun 2022 09:15:07 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106112

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:2dbb45d6dc0d20dc159b3d8e27ebb6825074827a

commit r13-1341-g2dbb45d6dc0d20dc159b3d8e27ebb6825074827a
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.=