make tests independent of compiler api

TODO: t5899 should also be refactored, but I couldn't figure out how
I tried the obvious Cake Light pattern with abstract types etc, but that didn't trigger it
there must be something with indirection through paths as well

1 files changed, 20 insertions, 6 deletions

diff --git a/test/files/run/t5914.scala b/test/files/run/t5914.scala
index 53cae9be74..45d8815738 100644
--- a/test/files/run/t5914.scala
+++ b/test/files/run/t5914.scala
@@ -1,9 +1,23 @@
-import scala.reflect.runtime.universe._
+import scala.reflect.ClassTag
 
-object Test extends App {
-  val tree: Tree = null
-  tree match {
-    case TypeTree() => println("lolwut")
-    case null => println("correct")
+trait Trees {
+  class Tree
+  implicit val ttTag: ClassTag[TypeTree]
+  type TypeTree <: Tree
+  val TypeTree: TypeTreeExtractor
+  abstract class TypeTreeExtractor {
+    def unapply(t: TypeTree): Option[String]
   }
+  def test(tree: Tree) =
+    tree match {
+      case TypeTree(_) => println("lolwut")
+      case null => println("correct")
+    }
+}
+
+object Test extends App with Trees {
+  val ttTag = implicitly[ClassTag[TypeTree]]
+  case class TypeTree(meh: String) extends Tree
+  object TypeTree extends TypeTreeExtractor
+  test(null) // should not crash
 }
\ No newline at end of file