Test case for SI-5378

test/pending/neg/t5378.scala

@@ -0,0 +1,19 @@
+import language.reflectiveCalls
+
+class Coll[+T] {
+  def contains = new { def apply[T1 <: T](value: T1) = ??? }
+}
+
+object Test {
+  def main(args: Array[String]): Unit = {
+    val xs = new Coll[List[String]]
+    val ys: Coll[Traversable[String]] = xs
+
+    println(ys contains Nil)
+    // java.lang.NoSuchMethodException: Coll$$anon$1.apply(scala.collection.Traversable)
+    //  at java.lang.Class.getMethod(Class.java:1605)
+    //  at Test$.reflMethod$Method1(a.scala:14)
+    //  at Test$.main(a.scala:14)
+    //  at Test.main(a.scala)
+  }
+}