diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/new-2.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/new-2.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,13 @@
+// Test JSOP_NEW using native constructors.
+// Construct an object with a unique assignation to a property.
+function f(i) {
+	var x = new Number(i);
+	return x;
+}
+
+// Assert that a unique object really was created.
+for (var i = 0; i < 100; i++) {
+	var o = f(i);
+	assertEq(typeof o, "object");
+	assertEq(Number(o), i);
+}