[Bug c++/85147] [6 Regression] ICE with invalid variadic template-template parameter

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85147

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Jun 25 17:42:51 2018
New Revision: 262090

URL: https://gcc.gnu.org/viewcvs?rev=262090&root=gcc&view=rev
Log:
        Backported from mainline
        2018-04-03  Jakub Jelinek  <jakub@redhat.com>

        PR c++/85147
        * pt.c (fixed_parameter_pack_p_1): Punt if parm is error_mark_node.

        * g++.dg/cpp0x/pr85147.C: New test.

Added:
    branches/gcc-6-branch/gcc/testsuite/g++.dg/cpp0x/pr85147.C
Modified:
    branches/gcc-6-branch/gcc/cp/ChangeLog
    branches/gcc-6-branch/gcc/cp/pt.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog