[Bug c++/71516] [5/6/7 Regression] ICE on invalid C++ code (invalid use of forward declared type) on x86_64-linux-gnu: Segmentation fault (program cc1plus)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71516

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Jun 14 14:33:11 2016
New Revision: 237445

URL: https://gcc.gnu.org/viewcvs?rev=237445&root=gcc&view=rev
Log:
        PR c++/71516
        * decl.c (complete_vars): Handle gracefully type == error_mark_node.

        * g++.dg/init/pr71516.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/init/pr71516.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl.c
    trunk/gcc/testsuite/ChangeLog