* decl.c (grok_op_properties): Don't complain about size_t
	placement delete here.
	* call.c (second_parm_is_size_t): Split out from...
	(non_placement_deallocation_fn_p): ...here.
	(build_op_delete_call): Warn about size_t placement delete with
	-Wc++14-compat.

From-SVN: r223460