Fix of pos/t2454

"_" type paraeters need to be given fresh names.

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/pos/t2441pos.scala b/tests/pos/t2441pos.scala
new file mode 100644
index 000000000..25eb2232c
--- /dev/null
+++ b/tests/pos/t2441pos.scala
@@ -0,0 +1,8 @@
+abstract class A {
+  private def foo = List(1, 2)
+}
+trait B extends A {
+  private def foo = List("a", "b")
+  // However it compiles correctly if the type is given:
+  // private def foo: List[String] = List("a", "b")
+}