1 files changed, 22 insertions, 0 deletions
diff --git a/tests/pos/mixins.scala b/tests/pos/mixins.scala
new file mode 100644
index 000000000..846d6a41b
--- /dev/null
+++ b/tests/pos/mixins.scala
@@ -0,0 +1,22 @@
+package mixins
+abstract class Super {
+  def foo: Int
+}
+trait Mixin extends Super {
+  abstract override def foo = super.foo
+}
+trait MixinSub extends Super with Mixin {
+  abstract override def foo: Int = super.foo
+}
+trait MixinSubSub extends MixinSub {
+  abstract override def foo = super.foo
+}
+class Sub extends Super {
+  def foo: Int = 1
+}
+class Base extends Sub with MixinSubSub {
+  override def foo = super.foo
+}
+trait Mixin1 extends Sub with MixinSubSub {}
+class Base1 extends Mixin1 {}
+