Fix erasure of raw arrays

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/pos/i966.scala b/tests/pos/i966.scala
new file mode 100644
index 000000000..1fedc0023
--- /dev/null
+++ b/tests/pos/i966.scala
@@ -0,0 +1,15 @@
+package scala
+package collection
+package immutable
+
+import HashMap.{ HashTrieMap, HashMapCollision1, HashMap1 }
+import HashSet.{ HashTrieSet, HashSetCollision1, HashSet1 }
+
+object i996{
+
+  private[this] def collisionToArray[T](x: Iterable[T]): Array[Iterable[T]] = (x match {
+    case x: HashMapCollision1[_, _] => x.kvs.map(x => HashMap(x)).toArray
+    case x: HashSetCollision1[_]    => x.ks.map(x => HashSet(x)).toArray
+  }).asInstanceOf[Array[Iterable[T]]]
+
+}