diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/new-9.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/new-9.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,27 @@
+// Test createThisScripted(), without a singleton.
+function Foo(a) {
+	this.str = "foo";
+}
+
+function Bar(a) {
+	this.str = "bar";
+}
+
+function f() {
+	var x;
+	for (var i = 0; i < 400; i++) {
+		if (i % 2 == 0)
+			x = Foo;
+		else
+			x = Bar;
+
+		var y = new x(5);
+
+		if (i % 2 == 0)
+			assertEq(y.str, "foo");
+		else
+			assertEq(y.str, "bar");
+	}
+}
+
+f();