3 files changed, 33 insertions, 0 deletions
diff --git a/tests/pos/i2201a.scala b/tests/pos/i2201a.scala
new file mode 100644
index 000000000..165f0a76e
--- /dev/null
+++ b/tests/pos/i2201a.scala
@@ -0,0 +1,8 @@
+class Foo[T]
+
+class Fix[F[_]](unfix: F[Fix[F]])
+object DocTree {
+  type Const[T] = Foo[Int]
+  type FixConst = Fix[Const]
+  def docTree(s: Const[FixConst]): FixConst = new Fix(s)
+}
diff --git a/tests/pos/i2201b.scala b/tests/pos/i2201b.scala
new file mode 100644
index 000000000..4aafc0d28
--- /dev/null
+++ b/tests/pos/i2201b.scala
@@ -0,0 +1,14 @@
+trait X
+trait Y
+
+object Test {
+  type One[A <: X, B <: Y]
+
+  type Two[TA <: Y, TB <: X] = One[TB, TA]
+
+  def foo[M[_ <: Y, _ <: X]](x: M[_ <: Y, _ <: X]) = x
+
+  val a: Two[Y, X] = ???
+
+  foo(a)
+}
diff --git a/tests/pos/i2201c.scala b/tests/pos/i2201c.scala
new file mode 100644
index 000000000..91f2529d9
--- /dev/null
+++ b/tests/pos/i2201c.scala
@@ -0,0 +1,11 @@
+object Test {
+  implicit val theAnswer: Int = 42
+
+  type Swap[A, B] = (B, A)
+
+  def foo[M[_, _], T, S](x: M[T, S])(implicit ev: T) = ev
+
+  val a: Swap[Int, String] = ("hi", 1)
+
+  foo(a)
+}