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diff --git a/gcc-4.9/gcc/testsuite/ada/acats/tests/c8/c83031a.ada b/gcc-4.9/gcc/testsuite/ada/acats/tests/c8/c83031a.ada
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+-- C83031A.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 AN IMPLICIT DECLARATION OF A PREDEFINED OPERATOR OR
+--     AN ENUMERATION LITERAL IS HIDDEN BY A SUBPROGRAM DECLARATION OR
+--     A RENAMING DECLARATION WHICH DECLARES A HOMOGRAPH OF THE
+--     OPERATOR OR LITERAL.
+
+-- HISTORY:
+--     VCL  08/10/88  CREATED ORIGINAL TEST.
+--     JRL  03/20/92  ELIMINATED REDUNDANT TESTING.
+
+WITH REPORT;  USE REPORT;
+PROCEDURE C83031A IS
+BEGIN
+     TEST ("C83031A", "AN IMPLICIT DECLARATION OF A PREDEFINED " &
+                      "OPERATOR OR AN ENUMERATION LITERAL IS HIDDEN " &
+                      "BY A SUBPROGRAM DECLARATION OR A RENAMING " &
+                      "DECLARATION WHICH DECLARES A HOMOGRAPH OF THE " &
+                      "OPERATOR OR LITERAL");
+
+     DECLARE             -- CHECK SUBPROGRAM DECLARATIONS OF OPERATORS
+          PACKAGE P IS
+               TYPE INT IS RANGE -20 .. 20;
+
+               M : INT := 3 * INT(IDENT_INT(3));
+               N : INT := 4 + INT(IDENT_INT(4));
+
+               FUNCTION "*" (LEFT, RIGHT : INT) RETURN INT;
+               TYPE INT2 IS PRIVATE;
+               FUNCTION "+" (LEFT, RIGHT : INT2) RETURN INT2;
+          PRIVATE
+               FUNCTION "+" (LEFT, RIGHT : INT) RETURN INT
+                            RENAMES "/" ;
+
+               TYPE INT2 IS RANGE -20 .. 20;
+          END P;
+          USE P;
+
+          PACKAGE BODY P IS
+               FUNCTION "*" (LEFT, RIGHT : INT) RETURN INT IS
+               BEGIN
+                    RETURN LEFT / RIGHT;
+               END "*";
+
+               FUNCTION "+" (LEFT, RIGHT : INT2) RETURN INT2 IS
+               BEGIN
+                    RETURN LEFT - RIGHT;
+               END "+";
+
+          BEGIN
+               IF 2 * INT(IDENT_INT(2)) /= 1 THEN
+                    FAILED ("INCORRECT VALUE RETURNED IN CALL TO " &
+                            "EXPLICIT '*' OPERATOR - 1");
+               END IF;
+
+               IF N /= 8 THEN
+                    FAILED ("INCORRECT INITIAL VALUE FOR N - 1");
+               END IF;
+               N := 2 + 2;
+               IF N /= INT(IDENT_INT (1)) THEN
+               FAILED ("INCORRECT VALUE FOR N AFTER CALL TO " &
+                       "EXPLICIT '+' OPERATOR - 1");
+               END IF;
+
+               DECLARE
+                    Q : INT2 := 8 + 9;
+               BEGIN
+                    IF Q /= -1 THEN
+                         FAILED ("INCORRECT VALUE FOR Q");
+                    END IF;
+               END;
+          END P;
+     BEGIN
+          IF M /= 9 THEN
+               FAILED ("INCORRECT INITIAL VALUE FOR M - 2");
+          END IF;
+          IF 2 * INT(IDENT_INT(2)) /= 1 THEN
+               FAILED ("INCORRECT VALUE RETURNED IN CALL TO " &
+                       "EXPLICIT '*' OPERATOR - 2");
+          END IF;
+
+          N := 2 + 2;
+          IF N /= INT(IDENT_INT (4)) THEN
+               FAILED ("INCORRECT VALUE FOR N AFTER CALL TO " &
+                       "IMPLICIT '+' OPERATOR - 2");
+          END IF;
+
+     END;
+
+     DECLARE   -- CHECK SUBPROGRAM DECLARATIONS OF ENUMERATION LITERALS.
+
+          PACKAGE P1 IS
+               TYPE ENUM1 IS (E11, E12, E13);
+               TYPE PRIV1 IS PRIVATE;
+               FUNCTION E11 RETURN PRIV1;
+          PRIVATE
+               TYPE PRIV1 IS NEW ENUM1;
+               FUNCTION E12 RETURN PRIV1 RENAMES E13;
+          END P1;
+          USE P1;
+
+          E13 : INTEGER := IDENT_INT (5);
+
+          FUNCTION E12 RETURN ENUM1 RENAMES E11 ;
+
+          FUNCTION CHECK (E: ENUM1) RETURN INTEGER IS
+          BEGIN
+               RETURN ENUM1'POS (E);
+          END CHECK;
+
+          FUNCTION CHECK (E: INTEGER) RETURN INTEGER IS
+          BEGIN
+               RETURN INTEGER'POS (E);
+          END CHECK;
+
+          PACKAGE BODY P1 IS
+               FUNCTION E11 RETURN PRIV1 IS
+               BEGIN
+                    RETURN E13;
+               END E11;
+          BEGIN
+               IF PRIV1'(E11) /= E13 THEN
+                    FAILED ("INCORRECT VALUE FOR E11");
+               END IF;
+
+               IF E12 /= PRIV1'LAST THEN
+                    FAILED ("INCORRECT VALUE FOR E12 - 1");
+               END IF;
+          END P1;
+     BEGIN
+          IF E12 /= ENUM1'FIRST THEN
+               FAILED ("INCORRECT VALUE FOR E12 - 2");
+          END IF;
+
+          IF CHECK (E13) /= 5 THEN
+               FAILED ("INCORRECT VALUE FOR E13");
+          END IF;
+     END;
+     RESULT;
+END C83031A;