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1 149 jeremybenn
-- C52104X.ADA
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--                             Grant of Unlimited Rights
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--
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--     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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--     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained 
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--     unlimited rights in the software and documentation contained herein.
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--     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making 
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--     this public release, the Government intends to confer upon all 
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--     recipients unlimited rights  equal to those held by the Government.  
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--     These rights include rights to use, duplicate, release or disclose the 
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--     released technical data and computer software in whole or in part, in 
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--     any manner and for any purpose whatsoever, and to have or permit others 
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--     to do so.
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--
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--                                    DISCLAIMER
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--
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--     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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--     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED 
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--     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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--     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE 
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--     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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--     PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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-- CHECK THAT LENGTHS MUST MATCH IN ARRAY AND SLICE ASSIGNMENTS.
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--    MORE SPECIFICALLY, TEST THAT ATTEMPTED ASSIGNMENTS BETWEEN
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--    ARRAYS WITH NON-MATCHING LENGTHS LEAVE THE DESTINATION ARRAY
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--    INTACT AND CAUSE  CONSTRAINT_ERROR  TO BE RAISED.
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--    (OVERLAPS BETWEEN THE OPERANDS OF THE ASSIGNMENT STATEMENT
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--    ARE TREATED ELSEWHERE.)
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-- THIS IS A SPECIAL CASE IN
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--    DIVISION  C :  NON-NULL ARRAYS WHOSE LENGTHS ARE NOT DETERMINABLE
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--                   STATICALLY
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-- WHICH TREATS ARRAYS OF LENGTH GREATER THAN  INTEGER'LAST .
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--    AN ADDITIONAL OBJECTIVE OF THIS TEST IS TO CHECK WHETHER LENGTH
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--    COMPARISONS (AND LENGTH COMPUTATIONS) CAUSE
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--    CONSTRAINT_ERROR TO BE RAISED.
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-- *** NOTE: This test has been modified since ACVC version 1.11 to    -- 9X
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-- ***       remove incompatibilities associated with the transition   -- 9X
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-- ***       to Ada 9X.                                                -- 9X
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-- ***                                                                 -- 9X
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-- RM  07/31/81
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-- SPS 02/07/83
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-- EG  10/28/85  FIX NUMERIC_ERROR/CONSTRAINT_ERROR ACCORDING TO
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--               AI-00387.
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-- JRK 06/24/86  FIXED COMMENTS ABOUT NUMERIC_ERROR/CONSTRAINT_ERROR.
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-- MRM 03/30/93  REMOVED NUMERIC_ERROR FOR 9X INCOMPATIBILITY
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WITH REPORT;
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PROCEDURE  C52104X  IS
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     USE  REPORT ;
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BEGIN
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     TEST( "C52104X" , "CHECK THAT IN ARRAY ASSIGNMENTS AND IN SLICE " &
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                       "ASSIGNMENTS, THE LENGTHS MUST MATCH; ALSO " &
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                       "CHECK WHETHER CONSTRAINT_ERROR " &
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                       "OR STORAGE_ERROR ARE RAISED FOR LARGE ARRAYS");
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     -- IN THIS TEST WE CAN'T USE AGGREGATE ASSIGNMENT (EXCEPT WHEN
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     --    THE AGGREGATES ARE STRING LITERALS); THEREFORE:
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     --
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     --    (1) ARRAYS WILL BE INITIALIZED BY INDIVIDUAL ASSIGNMENTS;
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     --    (2) CAN'T USE NON-NULL CONSTANT ARRAYS.
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     -- WE ASSUME THAT IN AN ARRAY_TYPE_DEFINITION THE INDEX PORTION
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     --    AND THE COMPONENT_TYPE PORTION ARE FUNCTIONALLY ORTHOGONAL
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     --    ALSO AT THE IMPLEMENTATION LEVEL, I.E. THAT THE CORRECTNESS
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     --    OF THE ACCESSING MECHANISM FOR ARRAYS DOES NOT DEPEND ON
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     --    COMPONENT_TYPE.  ACCORDINGLY WE ARE TESTING FOR SOME BUT
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     --    NOT ALL KINDS OF COMPONENT_TYPE.  (COMPONENT_TYPES INCLUDED:
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     --    INTEGER , CHARACTER , BOOLEAN .)
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     -------------------------------------------------------------------
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     --   (12) SLICED ONE-DIMENSIONAL ARRAY OBJECTS WHOSE TYPEMARKS
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     --        WERE DEFINED USING THE "BOX" SYMBOL
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     --        AND FOR WHICH THE COMPONENT TYPE IS NOT  'CHARACTER' .
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     --        ((ONE-DIMENSIONAL) ARRAYS OF BOOLEANS.)
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CONSTR_ERR:         -- THIS BLOCK CATCHES CONSTRAINT_ERROR
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                    -- FOR THE SUBTYPE DECLARATION.
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     BEGIN
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DCL_ARR:  DECLARE        -- THIS BLOCK DECLARES THE ARRAY SUBTYPE.
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               TYPE  TABOX5  IS  ARRAY( INTEGER RANGE <> )  OF BOOLEAN ;
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               PRAGMA PACK (TABOX5);
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               SUBTYPE  TABOX51  IS  TABOX5
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                             (IDENT_INT(-6)..IDENT_INT(INTEGER'LAST-4));
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               -- CONSTRAINT_ERROR MAY BE RAISED BY THIS
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               -- SUBTYPE DECLARATION.
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          BEGIN
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               COMMENT ("NO CONSTRAINT_ERROR FOR TYPE " &
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                        "WITH 'LENGTH = INTEGER'LAST + 3");
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OBJ_DCL:       DECLARE   -- THIS BLOCK DECLARES TWO BOOLEAN ARRAYS THAT
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                         -- HAVE INTEGER'LAST + 3 COMPONENTS;
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                         -- STORAGE_ERROR MAY BE RAISED.
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                    ARRX51  :  TABOX51 ;
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                    ARRX52  :  TABOX5
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                             (IDENT_INT(-2)..IDENT_INT( INTEGER'LAST));
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               BEGIN
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               COMMENT ("NO STORAGE_ERROR OR " &
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                        "CONSTRAINT_ERROR RAISED WHEN ALLOCATING TWO " &
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                        "BIG BOOLEAN ARRAYS");
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               -- INITIALIZATION OF LHS ARRAY:
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NO_EXCP:       BEGIN          -- NO EXCEPTION SHOULD OCCUR IN THIS BLOCK
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                    FOR  I  IN  IDENT_INT(-2)..IDENT_INT(9)  LOOP
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                         ARRX52( I )  :=  FALSE  ;
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                    END LOOP;
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               -- INITIALIZATION OF RHS ARRAY:
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               -- ONLY A SHORT INITIAL SEGMENT IS INITIALIZED,
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               -- SINCE A COMPLETE INITIALIZATION MIGHT TAKE TOO LONG
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               -- AND THE EXECUTION MIGHT BE ABORTED BEFORE THE LENGTH
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               -- COMPARISON OF THE ARRAY ASSIGNMENT IS ATTEMPTED.
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                    FOR  I  IN  IDENT_INT(-6)..IDENT_INT(5)  LOOP
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                         ARRX51( I )  :=  TRUE  ;
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                    END LOOP;
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               EXCEPTION
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                    WHEN CONSTRAINT_ERROR =>
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                         FAILED ("CONSTRAINT_ERROR RAISED WHEN " &
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                                 "ASSIGNING TO ARRAY COMPONENTS");
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                    WHEN OTHERS =>
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                         FAILED ("OTHER EXCEPTION RAISED - 1");
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               END NO_EXCP;
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DO_SLICE:      BEGIN
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               -- SLICE ASSIGNMENT:
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                    ARRX52( IDENT_INT(-1)..IDENT_INT(INTEGER'LAST  )) :=
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                         ARRX51(
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                            IDENT_INT(-4)..IDENT_INT(INTEGER'LAST-4) ) ;
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                    FAILED( "EXCEPTION NOT RAISED  (12)" );
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               EXCEPTION
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                    WHEN CONSTRAINT_ERROR =>
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                         COMMENT ("CONSTRAINT_ERROR RAISED DURING " &
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                                  "CHECK FOR SLICE ASSIGNMENT");
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                         -- CHECKING THE VALUES AFTER THE SLICE
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                         -- ASSIGNMENT:
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                         FOR  I  IN  IDENT_INT(-2)..IDENT_INT(9)  LOOP
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                              IF  ARRX52( I )  /=  FALSE
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                              THEN
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                                   FAILED( "LHS ARRAY ALTERED  (12A)");
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                              END IF;
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                         END LOOP;
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                    WHEN STORAGE_ERROR =>
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                         COMMENT ("STORAGE_ERROR RAISED DURING CHECK " &
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                                  "FOR SLICE ASSIGNMENT");
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                    WHEN OTHERS =>
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                         FAILED ("SOME EXCEPTION RAISED DURING SLICE");
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               END DO_SLICE;
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          END OBJ_DCL;
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          EXCEPTION
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               WHEN STORAGE_ERROR =>
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                    COMMENT ("STORAGE_ERROR RAISED WHEN DECLARING " &
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                             "TWO PACKED BOOLEAN ARRAYS WITH " &
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                             "INTEGER'LAST + 3 COMPONENTS");
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               WHEN CONSTRAINT_ERROR =>
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                    COMMENT ("CONSTRAINT_ERROR RAISED WHEN DECLARING " &
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                             "TWO PACKED BOOLEAN ARRAYS WITH " &
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                             "INTEGER'LAST + 3 COMPONENTS");
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               WHEN OTHERS =>
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                    FAILED ("SOME EXCEPTION RAISED - 3");
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          END DCL_ARR;
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     EXCEPTION
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          WHEN CONSTRAINT_ERROR =>
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               COMMENT ("CONSTRAINT_ERROR RAISED WHEN DECLARING AN " &
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                        "ARRAY SUBTYPE WITH INTEGER'LAST + 3 " &
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                        "COMPONENTS");
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          WHEN STORAGE_ERROR =>
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               FAILED ("STORAGE_ERROR RAISED FOR TYPE DECLARATION");
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          WHEN OTHERS =>
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               FAILED ("OTHER EXCEPTION RAISED - 4");
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     END CONSTR_ERR;
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     RESULT ;
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END C52104X;

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