[Bug c++/85210] [7 Regression] ICE with broken structured binding in template

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85210

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Jun 22 21:07:16 2018
New Revision: 261949

URL: https://gcc.gnu.org/viewcvs?rev=261949&root=gcc&view=rev
Log:
        Backported from mainline
        2018-04-06  Jakub Jelinek  <jakub@redhat.com>

        PR c++/85210
        * pt.c (tsubst_decomp_names): Return error_mark_node and assert
        errorcount is set if tsubst doesn't return a VAR_DECL.

        * g++.dg/cpp1z/decomp42.C: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/g++.dg/cpp1z/decomp42.C
Modified:
    branches/gcc-7-branch/gcc/cp/ChangeLog
    branches/gcc-7-branch/gcc/cp/pt.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog