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diff --git a/gcc/testsuite/ada/acats/tests/cb/cb4006a.ada b/gcc/testsuite/ada/acats/tests/cb/cb4006a.ada
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+-- CB4006A.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 EXCEPTIONS IN A BLOCK IN A HANDLER
+--     ARE HANDLED CORRECTLY.
+
+-- HISTORY:
+--     DAT 04/15/81
+--     SPS 11/02/82
+--     JET 01/06/88  UPDATED HEADER FORMAT AND ADDED CODE TO
+--                   PREVENT OPTIMIZATION.
+--     JRL 05/28/92  CHANGED CODE IN PROGRAM_ERROR BLOCK TO
+--                   PREVENT OPTIMIZATION.
+
+WITH REPORT;
+USE REPORT;
+
+PROCEDURE CB4006A IS
+
+     I1 : INTEGER RANGE 1 .. 2 := 1;
+
+     PROCEDURE P IS
+     BEGIN
+          IF EQUAL(3,3) THEN
+               RAISE PROGRAM_ERROR;
+          END IF;
+     EXCEPTION
+          WHEN PROGRAM_ERROR =>
+               DECLARE
+                    I : INTEGER RANGE 1 .. 1 := I1;
+               BEGIN
+                    IF EQUAL(I,I) THEN
+                         I := I1 + 1;
+                    END IF ;
+                    FAILED ("EXCEPTION NOT RAISED 1");
+
+                    IF NOT EQUAL(I,I) THEN
+                         COMMENT ("CAN'T OPTIMIZE THIS");
+                    END IF;
+
+               EXCEPTION
+                    WHEN CONSTRAINT_ERROR =>
+                         IF I1 /= 1 THEN
+                              FAILED ("WRONG HANDLER 1");
+                         ELSE
+                              I1 := I1 + 1;
+                         END IF;
+               END;
+          WHEN CONSTRAINT_ERROR =>
+               FAILED ("WRONG HANDLER 3");
+     END P;
+
+BEGIN
+     TEST ("CB4006A", "CHECK THAT EXCEPTIONS IN BLOCKS IN " &
+                      "HANDLERS WORK");
+
+     P;
+     IF IDENT_INT(I1) /= 2 THEN
+          FAILED ("EXCEPTION NOT HANDLED CORRECTLY");
+     ELSE
+          BEGIN
+               P;
+               FAILED ("EXCEPTION NOT RAISED CORRECTLY 2");
+          EXCEPTION
+               WHEN CONSTRAINT_ERROR => NULL;
+          END;
+     END IF;
+
+     RESULT;
+
+EXCEPTION
+     WHEN OTHERS => FAILED ("WRONG HANDLER 2");
+          RESULT;
+
+END CB4006A;