1 files changed, 10 insertions, 0 deletions
diff --git a/tests/run/t2524.scala b/tests/run/t2524.scala
new file mode 100644
index 000000000..e806b8c35
--- /dev/null
+++ b/tests/run/t2524.scala
@@ -0,0 +1,10 @@
+object Test {
+  def main(args: Array[String]): Unit = {
+    val m = new collection.mutable.HashMap[String, String] {
+      override def initialSize = 0
+    }
+    m.toString
+    m("key") = "value"
+    assert(m("key") == "value")
+  }
+}