fixed bugs 948/971;

added () to parameterless methods with side-effects.

1 files changed, 20 insertions, 0 deletions

diff --git a/test/files/neg/bug960.scala b/test/files/neg/bug960.scala
new file mode 100755
index 0000000000..5101cf8433
--- /dev/null
+++ b/test/files/neg/bug960.scala
@@ -0,0 +1,20 @@
+sealed abstract class List[+a]
+private case object Nil extends List[Nothing]
+private final case class Cons[+a](head: a, tail: List[a])
+extends List[a]
+
+object List {
+  def unapply[a](xs: List[a]): Option[(a, List[a])] = xs match {
+    case Nil => None
+    case Cons(x, xs) => Some(x, xs)
+  }
+
+  def unapply[a](xs: List[a]): Option[Null] = xs match {
+    case Nil => Some(null)
+    case Cons(_, _) => None
+  }
+
+  def foo[a](xs: List[a])  = xs match {
+    case List(x, xs) => 7
+  }
+}