* name-lookup.h (global_scope_p): New macro.
* decl.c (pop_binding_level): Use it. Don't refer directly to
global_binding_level.
(suspend_binding_level): Likewise.
(global_bindings_p): Likewise.
(print_other_binding_stack): Likewise.
(print_binding_stack): Likewise.
(maybe_push_to_top_level): Likewise.
(pushdecl_namespace_level): Likewise.
(cxx_init_decl_processing): Likewise.
(start_decl): Likewise.
(cp_finish_decl): Likewise.
(start_function): Likewise.
(global_binding_level): Remove.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@67221 138bc75d-0d04-0410-961f-82ee72b054a4