1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/abstract1.adb b/gcc/testsuite/gnat.dg/abstract1.adb
new file mode 100644
index 000000000..97508fac2
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/abstract1.adb
@@ -0,0 +1,31 @@
+--  { dg-do compile }
+with Ada.Tags.Generic_Dispatching_Constructor;  use Ada.Tags;
+package body abstract1 is
+   
+   function New_T (Stream : not null access Root_Stream_Type'Class)
+      return T'Class is
+      function Construct is
+         new Generic_Dispatching_Constructor (T, Root_Stream_Type'Class, Input);
+      E : constant String := String'Input (Stream);
+      I : constant Tag := Internal_Tag (E);
+   
+   begin
+      return Construct (I, Stream);
+   end New_T;
+   
+   function Input (Stream : not null access Root_Stream_Type'Class)
+     return IT is
+   begin
+      return O : IT do
+        Integer'Read (Stream, O.I);
+      end return;
+   end Input;
+   
+   function Input (Stream : not null access Root_Stream_Type'Class)
+      return FT is
+   begin
+      return O : FT do
+        Float'Read (Stream, O.F);
+      end return;                                              
+   end Input;                                                  
+end abstract1;