--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/ada/acats/tests/c4/c46051c.ada	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,120 @@
+-- C46051C.ADA
+
+--                             Grant of Unlimited Rights
+--
+--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
+--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 
+--     unlimited rights in the software and documentation contained herein.
+--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 
+--     this public release, the Government intends to confer upon all 
+--     recipients unlimited rights  equal to those held by the Government.  
+--     These rights include rights to use, duplicate, release or disclose the 
+--     released technical data and computer software in whole or in part, in 
+--     any manner and for any purpose whatsoever, and to have or permit others 
+--     to do so.
+--
+--                                    DISCLAIMER
+--
+--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
+--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 
+--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
+--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 
+--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
+--     PARTICULAR PURPOSE OF SAID MATERIAL.
+--*
+-- OBJECTIVE:
+--     CHECK THAT RECORD VALUES CAN BE CONVERTED IF THE OPERAND
+--     AND TARGET TYPES ARE RELATED BY DERIVATION, EVEN IF THE OPERAND
+--     AND TARGET TYPES HAVE DIFFERENT REPRESENTATIONS.
+
+-- HISTORY:
+--     JET 07/13/88  CREATED ORIGINAL TEST.
+--     RJW 08/28/89  REMOVED APPLICABILITY CRITERIA AND CHANGED
+--                   EXTENSION TO 'ADA'.
+
+WITH REPORT; USE REPORT;
+WITH SYSTEM;
+
+PROCEDURE C46051C IS
+
+     UNITS_PER_INTEGER : CONSTANT :=
+          (INTEGER'SIZE+SYSTEM.STORAGE_UNIT-1) / SYSTEM.STORAGE_UNIT;
+
+     TYPE ARR IS ARRAY (1..2) OF INTEGER;
+
+     TYPE REC IS RECORD
+          F1 : INTEGER;
+          F2 : INTEGER;
+          F3 : INTEGER;
+     END RECORD;
+
+     TYPE REC1 IS NEW REC;
+     FOR REC1 USE
+          RECORD
+               F1 AT 0 RANGE 0 .. INTEGER'SIZE - 1;
+               F2 AT 1*UNITS_PER_INTEGER RANGE 0..INTEGER'SIZE - 1;
+               F3 AT 3*UNITS_PER_INTEGER RANGE 0..INTEGER'SIZE - 1;
+          END RECORD;
+
+     TYPE REC2 IS NEW REC;
+     FOR REC2 USE
+          RECORD
+               F1 AT 0 RANGE 0 .. INTEGER'SIZE - 1;
+               F2 AT 2*UNITS_PER_INTEGER RANGE 0..INTEGER'SIZE - 1;
+               F3 AT 3*UNITS_PER_INTEGER RANGE 0..INTEGER'SIZE - 1;
+          END RECORD;
+
+     TYPE REC3 IS NEW REC1;
+
+     R  : REC  := (IDENT_INT (0), 1, 2);
+     R1 : REC1 := (IDENT_INT (1), 2, 3);
+     R2 : REC2 := (IDENT_INT (2), 3, 4);
+     R3 : REC3 := (IDENT_INT (3), 4, 5);
+
+BEGIN
+     TEST ( "C46051C", "CHECK THAT RECORD VALUES CAN BE " &
+                       "CONVERTED IF THE OPERAND AND TARGET TYPES " &
+                       "ARE RELATED BY DERIVATION, EVEN IF THE " &
+                       "OPERAND AND TARGET TYPES HAVE DIFFERENT " &
+                       "REPRESENTATIONS");
+
+     IF REC1(R) /= (0,1,2) THEN
+          FAILED ( "INCORRECT CONVERSION OF 'REC1 (R)'" );
+     END IF;
+
+     IF REC (R1) /= (1,2,3) THEN
+          FAILED ( "INCORRECT CONVERSION OF 'REC (R1)'" );
+     END IF;
+
+     IF REC1 (R2) /= (2,3,4) THEN
+          FAILED ( "INCORRECT CONVERSION OF 'REC1 (R2)'" );
+     END IF;
+
+     IF REC2 (R3) /= (3,4,5) THEN
+          FAILED ( "INCORRECT CONVERSION OF 'REC2 (R3)'" );
+     END IF;
+
+     IF REC (R) /= (0,1,2) THEN
+          FAILED ( "INCORRECT CONVERSION OF 'REC (R)'" );
+     END IF;
+
+     IF REC2 (R1) /= (1,2,3) THEN
+          FAILED ( "INCORRECT CONVERSION OF 'REC2 (R1)'" );
+     END IF;
+
+     IF REC3 (R2) /= (2,3,4) THEN
+          FAILED ( "INCORRECT CONVERSION OF 'REC3 (R2)'" );
+     END IF;
+
+     IF REC (R3) /= (3,4,5) THEN
+          FAILED ( "INCORRECT CONVERSION OF 'REC (R3)'" );
+     END IF;
+
+     RESULT;
+
+EXCEPTION
+     WHEN OTHERS =>
+          FAILED ( "EXCEPTION RAISED DURING CONVERSION OF " &
+                   "RECORD TYPES" );
+          RESULT;
+END C46051C;