1 files changed, 13 insertions, 0 deletions
diff --git a/test/files/run/hashhash.scala b/test/files/run/hashhash.scala
index b9cec99a12..f9fc067398 100644
--- a/test/files/run/hashhash.scala
+++ b/test/files/run/hashhash.scala
@@ -6,5 +6,18 @@ object Test {
     /** Just a little sanity check, not to be confused with a unit test. */
     List(5, 5.5f, "abc", new AnyRef, ()) foreach confirmSame
     List(5.0f, 1.0d, -(5.0f), (-1.0d)) foreach confirmDifferent
+
+    val x = (BigInt(1) << 64).toDouble
+    val y: Any = x
+    val f: Float = x.toFloat
+    val jn: java.lang.Number = x
+    val jf: java.lang.Float = x.toFloat
+    val jd: java.lang.Double = x
+
+    assert(x.## == y.##, ((x, y)))
+    assert(x.## == f.##, ((x, f)))
+    assert(x.## == jn.##, ((x, jn)))
+    assert(x.## == jf.##, ((x, jf)))
+    assert(x.## == jd.##, ((x, jd)))
   }
 }