Fix for PR libgcj/5695:

	* verify.cc (is_assignable_from_slow): Check to see if target is
	an Object before checking to see if source is an interface.
	(verify_instructions_0) [op_invokeinterface]: Handle case where
	we're making an interface call on Object.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@49783 138bc75d-0d04-0410-961f-82ee72b054a4