1 files changed, 30 insertions, 0 deletions
diff --git a/tests/run/t7120b.scala b/tests/run/t7120b.scala
new file mode 100644
index 000000000..e5b546a90
--- /dev/null
+++ b/tests/run/t7120b.scala
@@ -0,0 +1,30 @@
+
+import scala.language.higherKinds
+
+trait Base[A] { type B = A; }
+class C extends Base[String] {
+  class D {
+    def foo[B1 <: B](b: B1) = 0
+  }
+}
+
+trait BaseHK[M[_], A] { type B = M[A]; }
+object BaseHK { type Id[X] = X }
+class CHK extends BaseHK[BaseHK.Id, String] {
+  class D {
+    def foo[B1 <: B](b: B1) = 0
+  }
+}
+
+
+object Test extends dotty.runtime.LegacyApp {
+  val c = new C
+  val d = new c.D()
+  val meth = d.getClass.getMethods.find(_.getName == "foo").get
+  println(meth)
+
+  val chk = new CHK
+  val dhk = new chk.D()
+  val methhk = d.getClass.getMethods.find(_.getName == "foo").get
+  println(methhk)
+}