scala> List(1,2,3) endsWith List(2, "I AM GOZER THE DESTROYER")

res0: Boolean = true
... is fixed.

git-svn-id: http://lampsvn.epfl.ch/svn-repos/scala/scala/trunk@18331 5e8d7ff9-d8ef-0310-90f0-a4852d11357a

src/library/scala/collection/generic/SequenceTemplate.scala

@@ -283,11 +283,12 @@ trait SequenceTemplate[+A, +This <: IterableTemplate[A, This] with Sequence[A]]
    * @see String.startsWith
    */
   def startsWith[B](that: Sequence[B], offset: Int): Boolean = {  
-    val i = this.iterator.drop(offset)
+    val i = this.iterator drop offset
     val j = that.iterator
-    while (j.hasNext && i.hasNext) {
-      if (i.next != j.next) return false
-    }
+    while (j.hasNext && i.hasNext)
+      if (i.next != j.next)
+        return false
+
     !j.hasNext
   }
 
@@ -305,7 +306,10 @@ trait SequenceTemplate[+A, +This <: IterableTemplate[A, This] with Sequence[A]]
   def endsWith[B](that: Sequence[B]): Boolean = {
     val i = this.iterator.drop(length - that.length)
     val j = that.iterator
-    while (i.hasNext && j.hasNext && i.next == j.next) ()
+    while (i.hasNext && j.hasNext)
+      if (i.next != j.next)
+        return false
+    
     !j.hasNext
   }