Make bound functions have poisoned .caller and .arguments.

test/mjsunit/strict-mode.js

Index: test/mjsunit/strict-mode.js
diff --git a/test/mjsunit/strict-mode.js b/test/mjsunit/strict-mode.js
index 30234ba6fa7aac65e68c0bc8ab16cda4750a3921..9c9bdfd52d42662f0dcb13e22402e8fc8f1cf5a9 100644
--- a/test/mjsunit/strict-mode.js
+++ b/test/mjsunit/strict-mode.js
@@ -1051,14 +1051,20 @@ function CheckPillDescriptor(func, name) {
   }
   assertThrows(function() { strict.caller; }, TypeError);
   assertThrows(function() { strict.arguments; }, TypeError);
+  assertThrows(function() { strict.caller = 42; }, TypeError);
+  assertThrows(function() { strict.arguments = 42; }, TypeError);
 
   var another = new Function("'use strict'");
   assertThrows(function() { another.caller; }, TypeError);
   assertThrows(function() { another.arguments; }, TypeError);
+  assertThrows(function() { another.caller = 42; }, TypeError);
+  assertThrows(function() { another.arguments = 42; }, TypeError);
 
   var third = (function() { "use strict"; return function() {}; })();
   assertThrows(function() { third.caller; }, TypeError);
   assertThrows(function() { third.arguments; }, TypeError);
+  assertThrows(function() { third.caller = 42; }, TypeError);
+  assertThrows(function() { third.arguments = 42; }, TypeError);
 
   CheckPillDescriptor(strict, "caller");
   CheckPillDescriptor(strict, "arguments");