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diff --git a/gcc/testsuite/gnat.dg/specs/opt3.ads b/gcc/testsuite/gnat.dg/specs/opt3.ads
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+-- { dg-do compile }
+-- { dg-options "-O3" }
+
+with Ada.Containers.Vectors;
+with Opt3_Pkg;
+
+package Opt3 is
+
+  type Arr is array (1 .. Opt3_Pkg.Max) of Integer;
+
+  package Arr_Container is new Ada.Containers.Vectors (Natural, Arr);
+
+end Opt3;