2 files changed, 17 insertions, 14 deletions
diff --git a/src/library/scala/Predef.scala b/src/library/scala/Predef.scala
index b0206ae9f5..932f45c5c9 100644
--- a/src/library/scala/Predef.scala
+++ b/src/library/scala/Predef.scala
@@ -53,6 +53,7 @@ object Predef {
   type Triple[+a, +b, +c] = Tuple3[a, b, c]
   def Triple[a, b, c](x: a, y: b, z: c) = Tuple3(x, y, z)
 
+  def Tuple[a1](x1: a1) = Tuple1(x1)
   def Tuple[a1, a2](x1: a1, x2: a2) = Tuple2(x1, x2)
   def Tuple[a1, a2, a3](x1: a1, x2: a2, x3: a3) = Tuple3(x1, x2, x3)
   def Tuple[a1, a2, a3, a4](x1: a1, x2: a2, x3: a3, x4: a4) = Tuple4(x1, x2, x3, x4)
diff --git a/test/pending/pos/unapply.scala b/test/pending/pos/unapply.scala
index e784299ad8..70e4a1d913 100644
--- a/test/pending/pos/unapply.scala
+++ b/test/pending/pos/unapply.scala
@@ -1,23 +1,26 @@
-case class MyTuple2[A,B](val _1:A, val snd:B)
-class Foo
 object Foo {
-  def unapply(x:Any): Option[Product2[Int,String]] = {
-    if(x.isInstanceOf[Bar]) {
-      val y = x.asInstanceOf[Bar]
-      Some(MyTuple2(y.size, y.name))
-    } else None
-  }
-
-  def main(args:Array[String]) = {
+  def unapply(x: Any): Option[Product2[Int, String]] = x match {
+    case y: Bar => Some(Tuple(y.size, y.name))
+    case _ => None
+  }/*
+  // ERROR: test/pending/pos/unapply.scala:6 error: method unapply is defined twice
+  def unapply(x: Any): Option[Product1[String]] = x match {
+    case y: Bar => Some(Tuple(y.name))
+    case _ => None
+  }*/
+  def main(args:Array[String]): Unit = {
     val b = new Bar
     b match {
-      case Foo(s:Int,n:String) => Console.println("size "+s+" name "+n)
+      case Foo(s:Int, n:String) => Console.println("size "+s+" name "+n)
     }
     b.size = 54
     b.name = "large"
     b match {
-      case Foo(s:Int,n:String) => Console.println("size "+s+" name "+n)
-    }
+      case Foo(s:Int, n:String) => Console.println("size "+s+" name "+n)
+    }/*
+    b match {
+      case Foo(n) => Console.println("name " + n)
+    }*/
   }
 }
 
@@ -25,4 +28,3 @@ class Bar {
   var size: Int    = 50
   var name: String = "medium"
 }
-