3 files changed, 24 insertions, 2 deletions
diff --git a/tests/neg/customArgs/typers.scala b/tests/neg/customArgs/typers.scala
index 49742ebbd..9432ab039 100644
--- a/tests/neg/customArgs/typers.scala
+++ b/tests/neg/customArgs/typers.scala
@@ -30,7 +30,7 @@ object typers {
   }
 
   type L[X] = scala.collection.immutable.List[X]
-  type M[X, Y] <: scala.collection.immutable.Map[X, Y] // error: only classes can have declared but undefined members
+  type M[X, Y] <: scala.collection.immutable.Map[X, Y] // old-error: only classes can have declared but undefined members
 
   object hk {
     def f(x: L)  // error: missing type parameter
diff --git a/tests/neg/i1050c.scala b/tests/neg/i1050c.scala
index 19570eb83..ecfaa3ea3 100644
--- a/tests/neg/i1050c.scala
+++ b/tests/neg/i1050c.scala
@@ -27,7 +27,8 @@ object Tiark4 {
     v.brand("boom!")
 }
 object V { // error: cannot be instantiated
-  type Y >: Any <: Nothing  // error: only classes can have declared but undefined members
+  type Y >: Any <: Nothing  // old-error: only classes can have declared but undefined members
+  type Z
 }
 object Tiark5 {
     trait A { type L <: Nothing }
diff --git a/tests/neg/i2033.scala b/tests/neg/i2033.scala
new file mode 100644
index 000000000..b28a0d99e
--- /dev/null
+++ b/tests/neg/i2033.scala
@@ -0,0 +1,21 @@
+import java.io._
+import collection._
+object Test {
+  def check(obj: AnyRef): Unit = {
+    val bos = new ByteArrayOutputStream()
+    val out = new ObjectOutputStream(println) // error
+    val arr = bos toByteArray ()
+    val in = (())
+    val deser = ()
+    val lhs = mutable LinkedHashSet ()
+    check(lhs)
+  }
+}
+
+// minimization
+object Test2 {
+  class ObjectOutputStream(out: String) {
+    def this() = this("")
+  }
+  val out = new ObjectOutputStream(println) // error
+}