diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testResumeOp.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testResumeOp.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+function testResumeOp() {
+    var a = [1,"2",3,"4",5,"6",7,"8",9,"10",11,"12",13,"14",15,"16"];
+    var x = "";
+    while (a.length > 0)
+        x += a.pop();
+    return x;
+}
+assertEq(testResumeOp(), "16151413121110987654321");