diff -r 000000000000 -r 6474c204b198 js/src/tests/ecma_6/Proxy/proxy-constructNonObject.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/tests/ecma_6/Proxy/proxy-constructNonObject.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,18 @@
+function bogusConstruct(target) { return 4; }
+function bogusConstructUndefined(target) { }
+
+var handler = { construct: bogusConstruct }
+
+function callable() {}
+
+var p = new Proxy(callable, handler);
+
+assertThrowsInstanceOf(function () { new p(); }, TypeError,
+                       "[[Construct must throw if an object is not returned.");
+
+handler.construct = bogusConstructUndefined;
+assertThrowsInstanceOf(function () { new p(); }, TypeError,
+                       "[[Construct must throw if an object is not returned.");
+
+if (typeof reportCompare === "function")
+    reportCompare(0,0, "OK");