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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/110556] [12 Regression] division of INT_MIN
 and -1 happening incorrectly with -fno-delete-dead-exceptions
 -fnon-call-exceptions
Date: Fri, 07 Jul 2023 12:07:08 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110556

--- Comment #13 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-13 branch has been updated by Richard Biener
<rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:45e950b542ca598eb8a4a69305fdd96dcb603353

commit r13-7546-g45e950b542ca598eb8a4a69305fdd96dcb603353
Author: Richard Biener <rguenther@suse.de>
Date:   Thu Jul 6 13:51:55 2023 +0200

    tree-optimization/110556 - tail merging still pre-tuples

    The stmt comparison function for GIMPLE_ASSIGNs for tail merging
    still looks like it deals with pre-tuples IL.  The following
    attempts to fix this, not only comparing the first operand (sic!)
    of stmts but all of them plus also compare the operation code.

            PR tree-optimization/110556
            * tree-ssa-tail-merge.cc (gimple_equal_p): Check
            assign code and all operands of non-stores.

            * gcc.dg/torture/pr110556.c: New testcase.

    (cherry picked from commit 7b16686ef882ab141276f0e36a9d4ce1d755f64a)=