1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/iterator-indices-4.js b/js/src/jit-test/tests/ion/iterator-indices-4.js
new file mode 100644
index 0000000000..f71d5014f8
--- /dev/null
+++ b/js/src/jit-test/tests/ion/iterator-indices-4.js
@@ -0,0 +1,19 @@
+function id(x) { return x; }
+
+function foo(obj) {
+  for (var key in obj) {
+    assertEq(id(obj[key]), obj[key]);
+  }
+}
+
+var arr = [];
+for (var i = 0; i < 8; i++) {
+  var obj = {["x" + i]: 1};
+  arr.push(obj);
+}
+
+with ({}) {}
+for (var i = 0; i < 1000; i++) {
+  let obj = arr[i % arr.length];
+  foo(obj);
+}