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Subject: [Bug ipa/103277] [12 Regression] ICE in branch_prob with -O1
 -fbranch-probabilities -fno-ipa-pure-const since r12-5236-g5aa91072e24c1e16
Date: Thu, 18 Nov 2021 09:02:46 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103277

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:8f9f5101d52fec12f0f18dfaf746d18cf1f230d0

commit r12-5364-g8f9f5101d52fec12f0f18dfaf746d18cf1f230d0
Author: Richard Biener <rguenther@suse.de>
Date:   Thu Nov 18 09:07:22 2021 +0100

    tree-optimization/103277 - do abnormal cleanup after call DSE

    We can now DSE calls in more cases which requires us to eventually
    purge dead abnormal edges.  This implements this.

    2021-11-18  Richard Biener  <rguenther@suse.de>

            PR tree-optimization/103277
            * tree-ssa-dse.c (need_ab_cleanup): New.
            (dse_optimize_redundant_stores): Adjust.
            (delete_dead_or_redundant_assignment): Get extra
            need_ab_cleanup argument and set when abnormal cleanup is
            needed.
            (dse_optimize_call): Adjust.
            (dse_optimize_stmt): Likewise.
            (pass_dse::execute): Allocate and deallocate need_ab_cleanup.
            Perform abnormal cleanup.
            * tree-ssa-dse.h (delete_dead_or_redundant_assignment): Adjust.

            * gcc.dg/pr103277.c: New testcase.=