1 files changed, 16 insertions, 0 deletions
diff --git a/tests/pos/t7928.scala b/tests/pos/t7928.scala
new file mode 100644
index 000000000..d9e29935b
--- /dev/null
+++ b/tests/pos/t7928.scala
@@ -0,0 +1,16 @@
+trait OuterTrait {
+  trait InnerTrait {
+    type Element
+    type Collection <: Iterable[Inner.Element]
+  }
+
+  val Inner: InnerTrait
+
+}
+
+object OuterObject extends OuterTrait {
+  object Inner extends InnerTrait {
+    type Element = String
+    override type Collection = Seq[Inner.Element]
+  }
+}