1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/bug1543166.js b/js/src/jit-test/tests/ion/bug1543166.js
new file mode 100644
index 0000000000..ea67400c2b
--- /dev/null
+++ b/js/src/jit-test/tests/ion/bug1543166.js
@@ -0,0 +1,17 @@
+function f() {
+    var arr = [];
+    for (var i = 0; i < 12; i++) {
+        // Create a new global to get "DOM" objects with different groups.
+        var g = newGlobal();
+        var o = new g.FakeDOMObject();
+        o[0] = 1;
+        arr.push(o);
+    }
+    var res;
+    for (var i = 0; i < 2000; i++) {
+        var o = arr[i % arr.length];
+        res = o[0];
+    }
+    return res;
+}
+f();