[Bug tree-optimization/100398] [12 Regression] ICE in gimple_redirect_edge_and_branch, at tree-cfg.c:6082

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100398

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rgue...@gcc.gnu.org>:

https://gcc.gnu.org/g:2326627eb19d8c21251fd60479f1a190621c475b

commit r12-430-g2326627eb19d8c21251fd60479f1a190621c475b
Author: Richard Biener <rguent...@suse.de>
Date:   Tue May 4 09:18:11 2021 +0200

    tree-optimization/100398 - avoid DSE of control flow stmt

    The following makes sure to preserve control altering stmts
    when removing trivially dead stmts in DSE.

    2021-05-04  Richard Biener  <rguent...@suse.de>

            PR tree-optimization/100398
            * tree-ssa-dse.c (pass_dse::execute): Preserve control
            altering stmts.

            * gcc.dg/torture/pr100398.c: New testcase.