1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/array-join-bug1137624-2.js b/js/src/jit-test/tests/ion/array-join-bug1137624-2.js
new file mode 100644
index 0000000000..affceb37e7
--- /dev/null
+++ b/js/src/jit-test/tests/ion/array-join-bug1137624-2.js
@@ -0,0 +1,9 @@
+
+function f() {
+    var x = 0;
+    var a = [{toString: () => x++}];
+    for (var i=0; i<10000; i++)
+	a.join("");
+    assertEq(x, 10000);
+}
+f();