--- /dev/null
+var globalResult;
+Object.prototype.valueOf = function() { globalResult = 1; }
+
+function foo() {
+ globalResult = 0;
+ +arguments;
+ return globalResult;
+}
+
+noInline(foo);
+
+for (var i = 0; i < 10000; ++i) {
+ var result = foo();
+ if (result !== 1)
+ throw "Error: bad result: " + result;
+}
+