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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/109473] [10 Regression] ICE during GIMPLE
 pass: vect: verify_gimple failed with -O1 -ftree-loop-vectorize since
 r10-4076-g82e8e335f917b9
Date: Wed, 03 May 2023 10:14:58 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109473

--- Comment #11 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Richard Biener
<rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:ffb092784fc2513c2944253efc57c27de068c8b9

commit r11-10737-gffb092784fc2513c2944253efc57c27de068c8b9
Author: Richard Biener <rguenther@suse.de>
Date:   Wed May 3 11:06:28 2023 +0200

    tree-optimization/109473 - fix type mismatch in reduction vectorization

    When backporting the PR109473 fix I failed to realize its testcase
    will run into an unrelated similar bug.  With GCC 12 the code has
    seen substantial refactoring so the following applies a local fix
    to make sure we are using the correct types when building initial
    values for reductions.

            PR tree-optimization/109473
            * tree-vect-loop.c (get_initial_def_for_reduction):
            Convert the scalar values to the vector component type
            before using it to build the vector for the initial value.=