1 files changed, 12 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/array-join-bug1137624-1.js b/js/src/jit-test/tests/ion/array-join-bug1137624-1.js
new file mode 100644
index 0000000000..1a039dc688
--- /dev/null
+++ b/js/src/jit-test/tests/ion/array-join-bug1137624-1.js
@@ -0,0 +1,12 @@
+
+try {
+  var x = ["a", {toString() { s = x.join("-"); }}];
+  var a = x.join("a");
+  var b = x.join("b");
+  assertEq(a, b);
+} catch (e) {
+  // Using assertion does not work.
+  quit(0);
+}
+
+quit(3);