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Subject: [Bug middle-end/107734] [13 Regression] valgrind error for
 gcc/testsuite/cc.target/i386/pr46051.c
Date: Thu, 17 Nov 2022 17:59:53 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107734

--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Andrew Pinski <pinskia@gcc.gnu.org>:

https://gcc.gnu.org/g:ee892832ea19b21a3420ef042e582204fac852a2

commit r13-4132-gee892832ea19b21a3420ef042e582204fac852a2
Author: Andrew Pinski <apinski@marvell.com>
Date:   Thu Nov 17 17:48:00 2022 +0000

    Fix PR 107734: valgrind errors with sbitmap in match.pd

    sbitmap is a simple bitmap and the memory allocated is not cleared
    on creation; you have to clear it or set it to all ones before using
    it.  This is unlike bitmap which is a sparse bitmap and the entries are
    cleared as created.
    The code added in r13-4044-gdc95e1e9702f2f missed that.
    This patch fixes that mistake.

    Committed as obvious after a bootstrap and test on x86_64-linux-gnu.

    gcc/ChangeLog:

            PR middle-end/107734
            * match.pd (perm + vector op pattern): Clear the sbitmap before
            use.=