* typeck2.c (build_x_arrow): Don't crash when an aggregate type
	has no overloaded operator ->.
	* call.c (build_field_call): Don't crash when presented with a
	field that is actually a nested type.
	* decl.c (pushtag): Deal with friend class injection in local
	classes.
	* call.c (build_object_call): Don't crash if OBJ is a
	pointer-to-member-function.

From-SVN: r18647