--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/ada/acats/tests/c7/c74211b.ada	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,156 @@
+-- C74211B.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 IMPLICITLY DECLARED INEQUALITY WHICH ACCOMPANIES AN
+-- EXPLICIT DECLARATION OF EQUALITY HIDES OTHER IMPLICITLY DECLARED
+-- HOMOGRAPHS, AND THAT DERIVED INEQUALITY HIDES PREDEFINED INEQUALITY.
+
+-- DSJ 4/29/83
+-- JBG 9/23/83
+
+WITH REPORT;
+PROCEDURE C74211B IS
+
+     USE REPORT;
+
+BEGIN
+
+     TEST( "C74211B", "CHECK THAT HIDING OF IMPLICITLY DECLARED " &
+                      "OPERATORS AND DERIVED SUBPROGRAMS IS DONE " &
+                      "CORRECTLY REGARDLESS OF ORDER OF DECL'S");
+
+     DECLARE
+
+          PACKAGE P1 IS 
+               TYPE LT1 IS LIMITED PRIVATE;
+               FUNCTION "="(L, R : LT1) RETURN BOOLEAN;
+               FUNCTION LT1_VALUE_2 RETURN LT1;
+               FUNCTION LT1_VALUE_4 RETURN LT1;
+               TYPE LT2 IS LIMITED PRIVATE;
+          PRIVATE
+               TYPE LT1 IS RANGE 1 .. 10;
+               TYPE LT2 IS RANGE 1 .. 10;
+          END P1;
+
+          USE P1;
+
+          PACKAGE P2 IS
+               TYPE LT3 IS LIMITED PRIVATE;
+               TYPE LT4 IS NEW LT1;
+          PRIVATE
+               FUNCTION "=" (L, R : LT3) RETURN BOOLEAN;
+               TYPE LT3 IS NEW LT1;
+          END P2;
+
+          USE P2;
+
+          PACKAGE BODY P1 IS
+               A , B : CONSTANT LT1 := 4;
+               C , D : CONSTANT LT2 := 6;
+
+               FUNCTION "=" (L, R : LT1) RETURN BOOLEAN IS
+               BEGIN
+                    RETURN INTEGER(L) /= INTEGER(R);
+               END "=";
+
+               FUNCTION LT1_VALUE_2 RETURN LT1 IS
+               BEGIN
+                    RETURN 2;
+               END LT1_VALUE_2;
+
+               FUNCTION LT1_VALUE_4 RETURN LT1 IS
+               BEGIN
+                    RETURN 4;
+               END LT1_VALUE_4;
+
+          BEGIN
+               IF A = B THEN
+                    FAILED ("PREDEFINED EQUALITY NOT HIDDEN BY " &
+                            "EXPLICIT DECLARATION - LT1");
+               END IF;
+
+               IF C /= D  THEN
+                    FAILED ("WRONG PREDEFINED OPERATION - T2");
+               END IF;
+          END P1;
+
+          PACKAGE BODY P2 IS
+               FUNCTION U RETURN LT3 IS
+               BEGIN
+                    RETURN LT1_VALUE_2;
+               END U;
+
+               FUNCTION V RETURN LT3 IS
+               BEGIN
+                    RETURN LT1_VALUE_4;
+               END V;
+
+               FUNCTION W RETURN LT4 IS
+               BEGIN
+                    RETURN LT1_VALUE_2;
+               END W;
+
+               FUNCTION X RETURN LT4 IS
+               BEGIN
+                    RETURN LT1_VALUE_4;
+               END X;
+
+               FUNCTION "=" (L, R : LT3) RETURN BOOLEAN IS
+               BEGIN
+                    RETURN NOT (LT1(L) = LT1(R));
+               END "=";
+
+          BEGIN
+               IF NOT (U /= V) THEN
+                    FAILED ("DERIVED SUBPROGRAM NOT HIDDEN BY " &
+                            "IMPLICITLY DECLARED INEQUALITY " &
+                            "FROM EXPLICITLY DECLARED EQUALITY"); 
+               END IF;
+
+               IF NOT (LT3(W) = U) THEN
+                    FAILED ("DERIVED SUBPROGRAM NOT HIDDEN BY " &
+                            "EXPLICIT DECLARATION - '=' ");
+               END IF;
+
+               IF W /= X THEN
+                    FAILED ("PREDEFINED OPERATOR NOT HIDDEN BY " &
+                            "DERIVED SUBPROGRAM - '/=' ");
+               END IF;
+
+               IF NOT ( X = W ) THEN
+                    FAILED ("PREDEFINED OPERATOR NOT HIDDEN BY " &
+                            "DERIVED SUBPROGRAM - '=' ");
+               END IF;
+
+          END P2;
+
+     BEGIN
+
+          NULL;
+
+     END;
+
+     RESULT;
+
+END C74211B;