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Subject: [Bug tree-optimization/105458] [12/13 Regression] ICE in
 set_relation, at value-relation.cc:609 since r12-4790-g4b3a325f07acebf4
Date: Tue, 17 May 2022 15:44:56 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105458

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

https://gcc.gnu.org/g:6101a276c34b94f692206739d98aa7faf2e7b2ad

commit r13-564-g6101a276c34b94f692206739d98aa7faf2e7b2ad
Author: Andrew MacLeod <amacleod@redhat.com>
Date:   Mon May 16 21:39:30 2022 -0400

    Check for equivalence after merging relations.

    When registering a relation, we need to merge with any existing relation
    before checking if it was an equivalence... otherwise it was not being
    handled properly.

            gcc/
            PR tree-optimization/105458
            * value-relation.cc (path_oracle::register_relation): Merge, th=
en
check
            for equivalence.

            gcc/testsuite/
            * gcc.dg/pr105458.c: New.=