re PR ada/34366 (Legal program rejected, various anonymous access-to-subprogram types...

re PR ada/34366 (Legal program rejected, various anonymous access-to-subprogram types, Ada 2005)

    gcc/ada/
	PR ada/34366
	* sem_ch3.adb (Designates_T): New function.
	(Mentions_T): Factor reusable part of the logic into Designates_T.
	Consider non-access parameters and access and non-access result.
	(Check_Anonymous_Access_Components): Set ekind of anonymous access to
	E_Subprogram_Type to E_Anonymous_Access_Subprogram_Type.

	* einfo.ads: Update comment for E_Anonymous_Access_Subprogram_Type.

    gcc/testsuite/
	PR ada/34366
	* gnat.dg/enclosing_record_reference.ads,
	gnat.dg/enclosing_record_reference.adb: New test.

From-SVN: r130720