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Subject: [Bug tree-optimization/103856] ICE during GIMPLE pass: hardcmp since
 r12-4759-g95bb87b2458bfab4 and -fnon-call-exceptions -fsignaling-nans
Date: Fri, 25 Feb 2022 01:19:50 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103856

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

https://gcc.gnu.org/g:e53bb1965db9c7882ded4a70296340d8db52053a

commit r12-7381-ge53bb1965db9c7882ded4a70296340d8db52053a
Author: Alexandre Oliva <oliva@adacore.com>
Date:   Thu Feb 24 22:03:32 2022 -0300

    Copy EH phi args for throwing hardened compares

    When we duplicate a throwing compare for hardening, the EH edge from
    the original compare gets duplicated for the inverted compare, but we
    failed to adjust any PHI nodes in the EH block.  This patch adds the
    needed adjustment, copying the PHI args from those of the preexisting
    edge.


    for  gcc/ChangeLog

            PR tree-optimization/103856
            * gimple-harden-conditionals.cc (non_eh_succ_edge): Enable the
            eh edge to be requested through an extra parameter.
            (pass_harden_compares::execute): Copy PHI args in the EH dest
            block for the new EH edge added for the inverted compare.

    for  gcc/testsuite/ChangeLog

            PR tree-optimization/103856
            * g++.dg/pr103856.C: New.=