Test case for implicits which unwrap typeclasse...

Test case for implicits which unwrap typeclasses, something which must
really live on the edge given the multiple ways we've busted it lately.
Also some Array/signature and repl tests. No review.

1 files changed, 10 insertions, 0 deletions

diff --git a/test/files/pos/implicit-unwrap-tc.scala b/test/files/pos/implicit-unwrap-tc.scala
new file mode 100644
index 0000000000..1afde26613
--- /dev/null
+++ b/test/files/pos/implicit-unwrap-tc.scala
@@ -0,0 +1,10 @@
+trait NewType[X]
+
+object Test {
+  // change return type to Foo and it compiles.
+  implicit def Unwrap[X](n: NewType[X]): X = sys.error("")
+  class Foo(val a: Int)
+  def test(f: NewType[Foo]) = f.a
+}
+
+