diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testNEWINIT_DOUBLE.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testNEWINIT_DOUBLE.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+function testNEWINIT_DOUBLE()
+{
+    for (var z = 0; z < 2; ++z) { ({ 0.1: null })}
+    return "ok";
+}
+assertEq(testNEWINIT_DOUBLE(), "ok");