diff options
| -rw-r--r-- | src/library/scala/runtime/ScalaRunTime.scala | 11 | ||||
| -rw-r--r-- | test/files/run/hashhash.scala | 5 |
2 files changed, 12 insertions, 4 deletions
diff --git a/src/library/scala/runtime/ScalaRunTime.scala b/src/library/scala/runtime/ScalaRunTime.scala index 4c5e0e408b..a04fd23710 100644 --- a/src/library/scala/runtime/ScalaRunTime.scala +++ b/src/library/scala/runtime/ScalaRunTime.scala @@ -234,10 +234,13 @@ object ScalaRunTime { // Note that these are the implementations called by ##, so they // must not call ## themselves. - @inline def hash(x: Any): Int = - if (x == null) 0 - else if (x.isInstanceOf[java.lang.Number]) BoxesRunTime.hashFromNumber(x.asInstanceOf[java.lang.Number]) - else x.hashCode + @inline def hash(x: Any): Int = x match { + case null => 0 + case x: Double => hash(x) + case x: Float => hash(x) + case x: java.lang.Number => hash(x) + case _ => x.hashCode + } @inline def hash(dv: Double): Int = { val iv = dv.toInt diff --git a/test/files/run/hashhash.scala b/test/files/run/hashhash.scala index b9cec99a12..dc31df8cfa 100644 --- a/test/files/run/hashhash.scala +++ b/test/files/run/hashhash.scala @@ -6,5 +6,10 @@ 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 + + assert(x.## == y.##, ((x, y))) } } |