Inline and using namespace representation change.

Inline and using namespace representation change.

	gcc/cp/
	Inline and using namespace representation change.
	* cp-tree.h (struct lang_decl_ns): Delete ns_using.  Add usings,
	inlinees as vector.
	(DECL_NAMESPACE_USING): Adjust.
	(DECL_NAMESPACE_INLINEES): New.
	* name-lookup.h (struct cp_binding_level): Change usings
	representation.
	* name-lookup.c (name_lookup::do_queue_usings)
	name_lookup::queue_usings): Adjust.
	(name_lookup::search_namespace, name_lookup::search_usings)
	name_lookup::queue_namespace): Adjust.
	(name_lookup::adl_namespace_only): Adjust.
	(add_using_namespace, push_namespace): Push onto vector.
	(pop_namespace): Add timing logic.

	libcc1/
	* libcp1plugin.cc (plugin_make_namespace_inline): Push onto linees.
((--This line, and those below, will be ignored--

M    gcc/cp/ChangeLog
M    gcc/cp/cp-tree.h
M    gcc/cp/name-lookup.c
M    gcc/cp/name-lookup.h
M    libcc1/libcp1plugin.cc
M    libcc1/ChangeLog

From-SVN: r248520