diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug836102.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug836102.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+function t() {
+  var x = 0x123456789abcd;
+  x = x + x; // x = 640511947003802
+  x = x + x; // x = 1281023894007604
+  x = x + x; // x = 2562047788015208
+  x = x + x; // x = 5124095576030416
+  x = x + x; // x = 10248191152060832
+  assertEq(x+1 | 0, -248153696)
+}
+t()
+
+function t2() {
+  var x = -0x123456789abcd;
+  x = x + x;
+  x = x + x;
+  x = x + x;
+  x = x + x;
+  x = x + x;
+  assertEq(x + 7 | 0, 248153704)
+}
+t2()
+
+function t() {
+  var x = 4294967296+1;
+  assertEq(x|0, 1);
+}