obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 170 insertions, 0 deletions

diff --git a/gcc/testsuite/ada/acats/tests/c5/c55b05a.ada b/gcc/testsuite/ada/acats/tests/c5/c55b05a.ada
new file mode 100644
index 000000000..20e8ff438
--- /dev/null
+++ b/gcc/testsuite/ada/acats/tests/c5/c55b05a.ada
@@ -0,0 +1,170 @@
+-- C55B05A.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.
+--*
+-- CHECK THAT LOOPS WITH BOUNDS INTEGER'LAST OR
+-- INTEGER'FIRST DO NOT RAISE INVALID EXCEPTIONS.
+
+-- *** NOTE: This test has been modified since ACVC version 1.11 to    -- 9X
+-- ***       remove incompatibilities associated with the transition   -- 9X
+-- ***       to Ada 9X.                                                -- 9X
+-- ***                                                                 -- 9X
+
+-- DAT 3/26/81
+-- SPS 3/2/83
+-- MRM 03/30/93   REMOVED NUMERIC_ERROR FOR 9X COMPATIBILITY
+
+WITH REPORT; USE REPORT;
+
+PROCEDURE C55B05A IS
+BEGIN
+     TEST ("C55B05A", "LOOPS WITH INTEGER'FIRST AND 'LAST AS BOUNDS");
+
+     DECLARE
+
+          COUNT : INTEGER := 0;
+
+          PROCEDURE C IS
+          BEGIN
+               COUNT := COUNT + 1;
+          END C;
+
+     BEGIN
+          FOR I IN INTEGER'LAST .. INTEGER'FIRST LOOP
+               FAILED ("WRONG NULL RANGE LOOP EXECUTION");
+               EXIT;
+          END LOOP;
+          FOR I IN INTEGER'FIRST .. INTEGER'FIRST LOOP
+               C;
+          END LOOP;
+          FOR I IN INTEGER'FIRST .. INTEGER'FIRST + 2 LOOP
+               C; C;
+          END LOOP;
+          FOR I IN INTEGER'FIRST + 1 .. INTEGER'FIRST LOOP
+               FAILED ("NULL RANGE ERROR 2");
+               EXIT;
+          END LOOP;
+          FOR I IN INTEGER'FIRST .. INTEGER'LAST LOOP
+               C;
+               EXIT;
+          END LOOP;
+          FOR I IN INTEGER LOOP
+               C;
+               EXIT;
+          END LOOP;
+          FOR I IN INTEGER'LAST - 2 .. INTEGER'LAST LOOP
+               C; C; C;
+          END LOOP;
+          FOR I IN INTEGER'LAST - 2 .. INTEGER'LAST - 1 LOOP
+               C;
+          END LOOP;
+          FOR I IN 0 .. INTEGER'FIRST LOOP
+               FAILED ("NULL LOOP ERROR 3");
+               EXIT;
+          END LOOP;
+          FOR I IN -1 .. INTEGER'FIRST LOOP
+               FAILED ("NULL LOOP ERROR 4");
+               EXIT;
+          END LOOP;
+          FOR I IN -3 .. IDENT_INT(0) LOOP
+               FOR J IN INTEGER'FIRST .. INTEGER'FIRST - I LOOP
+                    C; C; C; C;
+               END LOOP;
+               FOR J IN INTEGER'FIRST - I .. INTEGER'FIRST + 3 - I LOOP
+                    C; C; C; C;
+               END LOOP;
+               FOR J IN INTEGER'LAST - 3 .. INTEGER'LAST + I LOOP
+                    C; C; C; C;
+               END LOOP;
+               FOR J IN INTEGER'LAST + I .. INTEGER'LAST LOOP
+                    C; C; C; C;
+               END LOOP;
+          END LOOP;
+
+          FOR I IN REVERSE INTEGER'LAST .. INTEGER'FIRST LOOP
+               FAILED ("REVERSE WRONG NULL RANGE LOOP EXECUTION");
+               EXIT;
+          END LOOP;
+          FOR I IN REVERSE INTEGER'FIRST .. INTEGER'FIRST LOOP
+               C;
+          END LOOP;
+          FOR I IN REVERSE INTEGER'FIRST .. INTEGER'FIRST + 2 LOOP
+               C; C;
+          END LOOP;
+          FOR I IN REVERSE INTEGER'FIRST + 1 .. INTEGER'FIRST LOOP
+               FAILED ("NULL RANGE ERROR 8");
+               EXIT;
+          END LOOP;
+          FOR I IN REVERSE INTEGER'FIRST .. INTEGER'LAST LOOP
+               C;
+               EXIT;
+          END LOOP;
+          FOR I IN REVERSE INTEGER LOOP
+               C;
+               EXIT;
+          END LOOP;
+          FOR I IN REVERSE INTEGER'LAST - 2 .. INTEGER'LAST LOOP
+               C; C; C;
+          END LOOP;
+          FOR I IN REVERSE INTEGER'LAST - 2 .. INTEGER'LAST - 1 LOOP
+               C;
+          END LOOP;
+          FOR I IN REVERSE 0 .. INTEGER'FIRST LOOP
+               FAILED ("NULL LOOP ERROR 9");
+               EXIT;
+          END LOOP;
+          FOR I IN REVERSE -1 .. INTEGER'FIRST LOOP
+               FAILED ("NULL LOOP ERROR 7");
+               EXIT;
+          END LOOP;
+          FOR I IN REVERSE -3 .. IDENT_INT(0) LOOP
+               FOR J IN REVERSE INTEGER'FIRST .. INTEGER'FIRST - I LOOP
+                    C; C; C; C;
+               END LOOP;
+               FOR J IN REVERSE INTEGER'FIRST - I
+                    .. INTEGER'FIRST + 3 - I
+               LOOP
+                    C; C; C; C;
+               END LOOP;
+               FOR J IN REVERSE INTEGER'LAST - 3 .. INTEGER'LAST + I
+               LOOP
+                    C; C; C; C;
+               END LOOP;
+               FOR J IN REVERSE INTEGER'LAST + I .. INTEGER'LAST LOOP
+                    C; C; C; C;
+               END LOOP;
+          END LOOP;
+
+          IF COUNT /= 408 THEN
+               FAILED ("WRONG LOOP EXECUTION COUNT");
+          END IF;
+
+     EXCEPTION
+          WHEN CONSTRAINT_ERROR =>
+               FAILED ("CONSTRAINT_ERROR RAISED INCORRECTLY");
+          WHEN OTHERS =>
+               FAILED ("UNKNOWN EXCEPTION RAISED INCORRECTLY");
+     END;
+
+     RESULT;
+END C55B05A;