diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/trees.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/trees.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+function trees() {
+  var i = 0, o = [0,0,0];
+  for (i = 0; i < 100; ++i) {
+    if ((i & 1) == 0) o[0]++;
+    else if ((i & 2) == 0) o[1]++;
+    else o[2]++;
+  }
+  return String(o);
+}
+assertEq(trees(), "50,25,25");