1 files changed, 12 insertions, 0 deletions
diff --git a/tests/pos/t404.scala b/tests/pos/t404.scala
new file mode 100644
index 000000000..8f5e8bef5
--- /dev/null
+++ b/tests/pos/t404.scala
@@ -0,0 +1,12 @@
+trait AbsIterator {
+  type T
+  def next: T
+}
+class StringIterator extends AbsIterator {
+  type T = Char
+  def next = 'a'
+}
+trait SyncIterator extends AbsIterator {
+  abstract override def next: T = super.next
+}
+class I extends StringIterator with SyncIterator