[Ada] Remove implicit anonymous access conversion in testcase

2019-12-12  Pierre-Marie de Rodat  <derodat@adacore.com>

gcc/testsuite/

	* gnat.dg/subp_inst_pkg.adb: Remove implicit anonymous access
	conversion.

From-SVN: r279276

gcc/testsuite/ChangeLog

+2019-12-12  Pierre-Marie de Rodat  <derodat@adacore.com>
+
+	* gnat.dg/subp_inst_pkg.adb: Remove implicit anonymous access
+	conversion.
+
 2019-12-11  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/92723

gcc/testsuite/gnat.dg/subp_inst_pkg.adb

@@ -14,7 +14,7 @@ package body Subp_Inst_Pkg is
       function Convert is new Ada.Unchecked_Conversion
          (T_Access, System.Address);
    begin
-      return System.Address_Image (Convert (Val));
+      return System.Address_Image (Convert (T_Access (Val)));
    end T_Image;
 
 end Subp_Inst_Pkg;