diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testIntOverflow.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testIntOverflow.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,9 @@
+function testIntOverflow() {
+    // int32_max - 7
+    var ival = 2147483647 - 7;
+    for (var i = 0; i < 30; i++) {
+        ival += 30;
+    }
+    return (ival < 2147483647);
+}
+assertEq(testIntOverflow(), false);