diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/unsignedShiftZero.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/unsignedShiftZero.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+
+function f(a) { 
+    return a >>> 0; 
+};
+
+assertEq(f(-2147483647), 2147483649);
+assertEq(f(-2147483648), 2147483648);
+assertEq(f(-2147483649), 2147483647);