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Diffstat (limited to 'tests/run/t2594_tcpoly.scala')
-rw-r--r-- | tests/run/t2594_tcpoly.scala | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tests/run/t2594_tcpoly.scala b/tests/run/t2594_tcpoly.scala new file mode 100644 index 000000000..789833bc0 --- /dev/null +++ b/tests/run/t2594_tcpoly.scala @@ -0,0 +1,21 @@ + +import scala.language.{ higherKinds } + +trait Monad[M[_]] { + def foo[A](a: M[A]): M[A] +} + +class Bar[A, B] +class Bar1[A] { type And[B] = Bar[A, B] } + +object Test { + // the combination of partial applications and anonymous class is essential to reproduce the bug + // problem: missing bridge method + // --> abstractmethoderror `Main$$anon$1.foo(Ljava/lang/Object;)Ljava/lang/Object;` + // the anonymous class only gets `public Bar foo(Bar a)` + def BarMonad[X] = new Monad[Bar1[X]#And] { + def foo[A](a: Bar[X, A]) = a + } + + def main(as: Array[String]): Unit = { BarMonad[Int] foo (new Bar[Int, Int]) } +} |