Fixes to erasure

Various fixes to the tree transformer.

In the denotation transformer we now keep self types around because otherwise
sourceModule would stop to work.

Conflicts:
   src/dotty/tools/dotc/core/transform/Erasure.scala

1 files changed, 15 insertions, 0 deletions

diff --git a/tests/pos/erasure.scala b/tests/pos/erasure.scala
new file mode 100644
index 000000000..d794e9186
--- /dev/null
+++ b/tests/pos/erasure.scala
@@ -0,0 +1,15 @@
+object erasure {
+
+  class C(x: Int) {
+
+    def this() = this(0)
+  }
+
+  import java.lang._
+
+  def const[T](x: T, y: T) = x
+
+  val x = 2
+  val y = const(x, 3)
+
+}