1 files changed, 31 insertions, 0 deletions
diff --git a/tests/untried/pos/t1318.scala b/tests/untried/pos/t1318.scala
new file mode 100644
index 000000000..34e2bc8dd
--- /dev/null
+++ b/tests/untried/pos/t1318.scala
@@ -0,0 +1,31 @@
+abstract class F {
+    type mType <: M
+}
+
+abstract class M { self =>
+
+    type mType <: M
+
+    type fType = F {type mType >: self.mType }
+    def fs: List[fType]
+}
+
+abstract class A0 extends M {
+    type mType = A0
+    def fs: List[fType] = Nil
+}
+
+object A extends A0 {}
+
+abstract class B0 extends M {
+    type mType = B0
+    def fs: List[fType] = Nil
+}
+
+object B extends B0 {}
+
+object C {
+    def ab = List(A) ::: List(B)
+    // the following compiles successfully:
+    // def ab = List(A) ::: List[M](B)
+}