1 files changed, 15 insertions, 0 deletions
diff --git a/test/files/neg/t588.scala b/test/files/neg/t588.scala
new file mode 100644
index 0000000000..f30937377e
--- /dev/null
+++ b/test/files/neg/t588.scala
@@ -0,0 +1,15 @@
+abstract class Test0 {
+  def visit(f: Int => Unit): Boolean
+  def visit(f: Int => String): Boolean
+}
+trait Test {
+  type TypeA <: TraitA;
+  type TypeB <: TypeA with TraitB;
+
+  def f(node : TypeA) : Unit;
+  def f(brac : TypeB) : Unit;
+
+  trait TraitA;
+  trait TraitB;
+
+}