1 files changed, 13 insertions, 0 deletions
diff --git a/test/files/run/t2512.scala b/test/files/run/t2512.scala
new file mode 100644
index 0000000000..8166839a9a
--- /dev/null
+++ b/test/files/run/t2512.scala
@@ -0,0 +1,13 @@
+import scala.tools.nsc.util.HashSet
+
+object Test {
+  val runs = 10000
+  class Bop
+
+  def main(args: Array[String]): Unit = {
+    val set: HashSet[Bop] = HashSet("Bop", 16)
+    (1 to runs).toList foreach (_ => set addEntry new Bop)
+
+    assert(runs == set.size && set.size == set.iterator.length)
+  }
+}