1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/interface_conv.adb b/gcc/testsuite/gnat.dg/interface_conv.adb
new file mode 100644
index 000000000..503fb7eaa
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/interface_conv.adb
@@ -0,0 +1,17 @@
+-- { dg-do run }
+
+procedure Interface_Conv is
+   package Pkg is
+      type I1 is interface;
+      procedure Prim (X : I1) is null;
+      type I2 is interface;
+      procedure Prim (X : I2) is null;
+      type DT is new I1 and I2 with null record;
+   end Pkg;
+   use Pkg;
+   Obj  : DT;
+   CW_3 : I2'Class := Obj;
+   CW_5 : I1'Class := I1'Class (CW_3);  --  test
+begin
+   null;
+end;