1 files changed, 8 insertions, 0 deletions
diff --git a/tests/pos/t6600.scala b/tests/pos/t6600.scala
new file mode 100644
index 000000000..1e8137894
--- /dev/null
+++ b/tests/pos/t6600.scala
@@ -0,0 +1,8 @@
+final class Natural extends scala.math.ScalaNumber with scala.math.ScalaNumericConversions {
+  def intValue(): Int = 0
+  def longValue(): Long = 0L
+  def floatValue(): Float = 0.0F
+  def doubleValue(): Double = 0.0D
+  def isWhole(): Boolean = false
+  def underlying() = this
+}