diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testNullRelCmp.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testNullRelCmp.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+function testNullRelCmp() {
+    var out = [];
+    for(j=0;j<3;++j) { out.push(3 > null); out.push(3 < null); out.push(0 == null); out.push(3 == null); }
+    return out.join(",");
+}
+assertEq(testNullRelCmp(), "true,false,false,false,true,false,false,false,true,false,false,false");