* ipa-prop.c (ipa_set_jf_known_type): Check that we add
	only records.
	(detect_type_change_1): Rename to ...
	(detect_type_change): ... this one; early return on non-polymorphic
	types.
	(detect_type_change_ssa): Add comp_type parameter; update	
	use of detect_type_change.
	(compute_complex_assign_jump_func): Add param_type parameter;
	update use of detect_type_change_ssa.
	(compute_complex_ancestor_jump_func): Likewise.
	(ipa_get_callee_param_type): New function.
	(ipa_compute_jump_functions_for_edge): Compute parameter type;
	update calls to the jump function computation functions.

From-SVN: r202126