* parse.y (java_check_regular_methods): Typo fixes.  Call
	check_interface_throws_clauses.  Use
	check_concrete_throws_clauses.
	(check_interface_throws_clauses): New function.
	(check_concrete_throws_clauses): New function.
	(hack_is_accessible_p): New function.
	(find_most_specific_methods_list): Added FIXME.
	* typeck.c (lookup_do): Use `flags' argument to decide what to
	do.  Reimplemented.
	(lookup_argument_method_generic): New function.
	(lookup_argument_method2): Removed.
	* jcf.h (ACC_INVISIBLE): New define.
	* jcf-write.c (generate_classfile): Skip invisible methods.
	* class.c (add_miranda_methods): New function.
	(layout_class_methods): Use it.
	(get_access_flags_from_decl): Use ACC_INVISIBLE.
	* java-tree.h (METHOD_INVISIBLE): New define.
	(lang_decl_func) [invisible]: New field.
	(lookup_argument_method_generic): Declare.
	(SEARCH_INTERFACE): New define.
	(SEARCH_SUPER): Likewise.
	(SEARCH_ONLY_INTERFACE): Likewise.
	(SEARCH_VISIBLE): Likewise.
	(lookup_argument_method2): Removed declaration.

From-SVN: r70388