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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/108607] [12 Regression] ICE in
 potential_constant_expression_1, at cp/constexpr.cc:10003
Date: Tue, 02 May 2023 20:14:09 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108607

--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:c5956b8cea7bf9b383a31af83e71f7cfc1a56bf1

commit r11-10705-gc5956b8cea7bf9b383a31af83e71f7cfc1a56bf1
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Wed Feb 1 10:38:46 2023 +0100

    c++, openmp: Handle some OMP_*/OACC_* constructs during constant expres=
sion
evaluation [PR108607]

    While potential_constant_expression_1 handled most of OMP_* codes (by
saying that
    they aren't potential constant expressions), OMP_SCOPE was missing in t=
hat
list.
    I've also added OMP_SCAN, though that is less important (similarly to
OMP_SECTION
    it ought to appear solely inside of OMP_{FOR,SIMD} resp. OMP_SECTIONS).
    As the testcase shows, it isn't enough, potential_constant_expression_1
    can catch only some cases, as soon as one uses switch or ifs where at l=
east
    one of the possible paths could be constant expression, we can run into=
 the
    same codes during cxx_eval_constant_expression, so this patch handles t=
hose
    there as well.

    2023-02-01  Jakub Jelinek  <jakub@redhat.com>

            PR c++/108607
            * constexpr.c (cxx_eval_constant_expression): Handle OMP_*
            and OACC_* constructs as non-constant.
            (potential_constant_expression_1): Handle OMP_SCAN.

            * g++.dg/gomp/pr108607.C: New test.

    (cherry picked from commit bfc070595bfb00abef88a002eee5d9117f5b86a7)=