decl.c (gnat_to_gnu_entity): Do not prematurely elaborate the full view of a type with a freeze node.

	* gcc-interface/decl.c (gnat_to_gnu_entity): Do not prematurely
	elaborate the full view of a type with a freeze node.
	* gcc-interface/trans.c (process_type): Add explicit predicate.

From-SVN: r199336