[Bug c++/84791] ICE with broken OpenMP reduction clause

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84791

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Jun 22 21:02:52 2018
New Revision: 261943

URL: https://gcc.gnu.org/viewcvs?rev=261943&root=gcc&view=rev
Log:
        Backported from mainline
        2018-03-30  Jakub Jelinek  <ja...@redhat.com>

        PR c++/84791
        * semantics.c (finish_omp_reduction_clause): If
        OMP_CLAUSE_REDUCTION_PLACEHOLDER is error_mark_node, return true
        even if processing_template_decl.

        * g++.dg/gomp/pr84791.C: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/g++.dg/gomp/pr84791.C
Modified:
    branches/gcc-7-branch/gcc/cp/ChangeLog
    branches/gcc-7-branch/gcc/cp/semantics.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog