Reorganize tests to account for new typing of projection

Tests with failed projections are moved to pos-scala2, which
was renamed from pos-special. Files in pos-scala2 are compiled
with -language:Scala2 option.

1 files changed, 26 insertions, 0 deletions

diff --git a/tests/pos-scala2/t3833.scala b/tests/pos-scala2/t3833.scala
new file mode 100644
index 000000000..2df658df1
--- /dev/null
+++ b/tests/pos-scala2/t3833.scala
@@ -0,0 +1,26 @@
+object Main {
+  def mkArray[T <: A](atype: Int) :T#AType = {
+    (atype match {
+      case 1 =>
+        new Array[Int](10)
+        // Decompiled code: return (Object[])new int[10];
+      case 2 =>
+        new Array[Float](10)
+    }).asInstanceOf[T#AType]
+  }
+
+  def main(args: Array[String]): Unit = {
+    println(mkArray[I](1))
+    //java.lang.ClassCastException: [I cannot be cast to [Ljava.lang.Object;
+  }
+}
+
+trait A {
+  type AType <: AnyRef
+}
+trait I extends A {
+  type AType = Array[Int]
+}
+trait F extends A {
+  type AType = Array[Float]
+}