[Bug c++/81247] [8 Regression] ICE on invalid C++ code with malformed namespace declaration: in do_push_nested_namespace, at cp/name-lookup.c:6002

[nathan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81247

--- Comment #2 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
Author: nathan
Date: Thu Jun 29 18:20:13 2017
New Revision: 249804

URL: https://gcc.gnu.org/viewcvs?rev=249804&root=gcc&view=rev
Log:
        PR c++/81247
        * parser.c (cp_parser_namespace_definition): Immediately close the
        namespace if there's no open-brace.
        * name-lookup.c (do_pushdecl): Reset OLD when pushing into new
        namespace.

Added:
    trunk/gcc/testsuite/g++.dg/parse/pr81247-a.C
    trunk/gcc/testsuite/g++.dg/parse/pr81247-b.C
    trunk/gcc/testsuite/g++.dg/parse/pr81247-c.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/name-lookup.c
    trunk/gcc/cp/parser.c
    trunk/gcc/testsuite/ChangeLog