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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/95133] [8/9 Regression] ICE in
 gimple_redirect_edge_and_branch_force, at tree-cfg.c:6075
Date: Fri, 11 Sep 2020 10:37:59 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95133

--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Richard Biener
<rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:5024ea60b74ac61c00b2aee40878761f7cf58973

commit r9-8862-g5024ea60b74ac61c00b2aee40878761f7cf58973
Author: Richard Biener <rguenther@suse.de>
Date:   Fri May 15 09:38:54 2020 +0200

    tree-optimization/95133 - avoid abnormal edges in path splitting

    When path splitting tries to detect a CFG diamond make sure it
    is composed of normal (non-EH, not abnormal) edges.  Otherwise
    CFG manipulation later may fail.

    2020-05-15  Richard Biener  <rguenther@suse.de>

            PR tree-optimization/95133
            * gimple-ssa-split-paths.c
            (find_block_to_duplicate_for_splitting_paths): Check for
            normal edges.

            * gcc.dg/pr95133.c: New testcase.

    (cherry picked from commit aaf1ee48316f9b414b11c17e298198925d816595)=