1 files changed, 20 insertions, 0 deletions
diff --git a/test/files/run/t4895.scala b/test/files/run/t4895.scala
new file mode 100644
index 0000000000..14f6761209
--- /dev/null
+++ b/test/files/run/t4895.scala
@@ -0,0 +1,20 @@
+
+
+
+
+object Test {
+
+  def checkPar(sz: Int) {
+    import collection._
+    val hs = mutable.HashSet[Int]() ++ (1 to sz)
+    assert(hs.par.map(_ + 1).seq.toSeq.sorted == (2 to (sz + 1)))
+  }
+
+  def main(args: Array[String]) {
+    for (i <- 0 until 100) checkPar(i)
+    for (i <- 100 until 1000 by 50) checkPar(i)
+    for (i <- 1000 until 10000 by 500) checkPar(i)
+    for (i <- 10000 until 100000 by 5000) checkPar(i)
+  }
+
+}