method.c (set_mangled_name_for_decl): Change return type to void.

method.c (set_mangled_name_for_decl): Change return type to void.

	* method.c (set_mangled_name_for_decl): Change return type to void.
	* decl.c (lookup_name_real): A namespace-level decl takes priority
	over implicit typename.  Avoid doing the same lookup twice.
	* search.c (dependent_base_p): New fn.
	(dfs_pushdecls, dfs_compress_decls): Use it.
	* typeck.c (get_member_function_from_ptrfunc): Don't try to handle
	virtual functions if the type doesn't have any.

From-SVN: r21551