diff options
Diffstat (limited to 'tests/run/tcpoly_overriding.scala')
-rw-r--r-- | tests/run/tcpoly_overriding.scala | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/run/tcpoly_overriding.scala b/tests/run/tcpoly_overriding.scala new file mode 100644 index 000000000..01b9c29ac --- /dev/null +++ b/tests/run/tcpoly_overriding.scala @@ -0,0 +1,19 @@ + +import scala.language.{ higherKinds } + +abstract class A[t[x]] { + def b: t[Int] +} + +class B extends A[List] { + // underlying functionality being tested is overriding, but bugs manifest itself during erasure + // erasure should generate two methods: one that returns an Object (to implement the method in A) + // one that is as close as possible to the original method and thus returns a List + // the problem only manifests itself here -- but it's really a problem with overriding + // the link between this method and the method in A isn't seen + def b: List[Int] = List(1) +} + +object Test extends dotty.runtime.LegacyApp { + Console.println((new B).b(0)) +} |