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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/107229] [13 Regression] ICE at -O1 and -Os
 with "-ftree-vectorize": verify_gimple failed since
 r13-3219-g25413fdb2ac24933
Date: Thu, 13 Oct 2022 11:11:55 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107229

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Andre Simoes Dias Vieira
<avieira@gcc.gnu.org>:

https://gcc.gnu.org/g:9f0d4adabe2035886a1aa8d2ca990a90de000613

commit r13-3270-g9f0d4adabe2035886a1aa8d2ca990a90de000613
Author: Andre Vieira <andre.simoesdiasvieira@arm.com>
Date:   Thu Oct 13 12:09:38 2022 +0100

    ifcvt: Fix bitpos calculation in bitfield lowering [PR107229]

    The bitposition calculation for the bitfield lowering in loop if conver=
sion
was
    not taking DECL_FIELD_OFFSET into account, which meant that it would re=
sult
in
    wrong bitpositions for bitfields that did not end up having representat=
ions
    starting at the beginning of the struct.

    gcc/ChangeLog:

            PR tree-optimization/107229
            * tree-if-conv.cc (get_bitfield_rep): Fix bitposition calculati=
on.

    gcc/testsuite/ChangeLog:

            * gcc.dg/vect/pr107229-1.c: New test.
            * gcc.dg/vect/pr107229-2.c: New test.
            * gcc.dg/vect/pr107229-3.c: New test.=