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Diffstat (limited to 'tests/untried/neg/gadts2.scala')
| -rw-r--r-- | tests/untried/neg/gadts2.scala | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tests/untried/neg/gadts2.scala b/tests/untried/neg/gadts2.scala new file mode 100644 index 000000000..156944b8d --- /dev/null +++ b/tests/untried/neg/gadts2.scala @@ -0,0 +1,12 @@ +trait Super[+A] +case class Sub[B](f: B => B) extends Super[B] + +object Test extends App { + val s1 = Sub((x: Int) => x) + + (s1: Super[Any]) match { case Sub(f) => f("abc") } +} +// java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Integer +// at scala.runtime.BoxesRunTime.unboxToInt(BoxesRunTime.java:105) +// at Test$$anonfun$1.apply(a.scala:5) +// at Test$.delayedEndpoint$Test$1(a.scala:7) |