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Subject: [Bug rtl-optimization/105577] [12 Regression] ICE in
 delete_unmarked_insns, at dce.cc:653 since r12-248-gb58dc0b803057c0e
Date: Thu, 19 May 2022 12:47:30 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105577

--- Comment #14 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Richard Biener
<rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:b251f8be6b018966edad5daeb45c42fd193b24b4

commit r12-8401-gb251f8be6b018966edad5daeb45c42fd193b24b4
Author: Richard Biener <rguenther@suse.de>
Date:   Thu May 12 14:03:32 2022 +0200

    rtl-optimization/105577 - RTL DSE and non-call EH

    When one of the first two stages of DSE removes a throwing stmt
    we have to purge dead EH edges before the DF re-analyze fires off
    a fast DCE since that cannot cope with the situation.

    2022-05-12  Richard Biener  <rguenther@suse.de>

            PR rtl-optimization/105577
            * dse.cc (rest_of_handle_dse): Make sure to purge dead EH
            edges before running fast DCE via df_analyze.

    (cherry picked from commit dfda40f8147412328f699628a54b0aaa584776e7)=