2018-10-09  Eric Botcazou  <ebotcazou@adacore.com>

gcc/ada/

	* gcc-interface/decl.c (type_requires_init_of_formal): New
	predicate.
	(gnat_to_gnu_param): Use it to determine whether a PARM_DECL
	must be created for an Out parameter passed by copy.

From-SVN: r264971