2 files changed, 23 insertions, 3 deletions
diff --git a/tests/pos/inferred.scala b/tests/pos/inferred.scala
index 441ae9650..525848541 100644
--- a/tests/pos/inferred.scala
+++ b/tests/pos/inferred.scala
@@ -16,13 +16,12 @@ object NIL extends LIST[Nothing] {
   def tail = ???
 }
 
-class CONS[T](hd: T, tl: LIST[T]) extends LIST[T] {
+class CONS[U](hd: U, tl: LIST[U]) extends LIST[U] {
   def isEmpty = false
-  def head = hd
+  def head: U = hd
   def tail = tl
 }
 
-
 object Inferred {
 
   def foo[T](x: T): T = x
diff --git a/tests/pos/sigs.scala b/tests/pos/sigs.scala
new file mode 100644
index 000000000..4b91015ee
--- /dev/null
+++ b/tests/pos/sigs.scala
@@ -0,0 +1,21 @@
+object sigs {
+  
+  var x = 7 * 9
+  
+  class Base {
+    
+    def foo(x: Int): Any = 33
+    
+    def foo: Object = "x"
+    
+  }
+  
+  class Sub extends Base {
+    
+   override def foo = "abc"
+      
+   override def foo(x: Int) = "abc"
+  }
+
+
+}
+\ No newline at end of file