Merge V8 at 3.9.24.13

Bug: 5688872
Change-Id: Id0aa8d23375030494d3189c31774059c0f5398fc
diff --git a/test/mjsunit/builtins.js b/test/mjsunit/builtins.js
index f2ad544..e43b589 100644
--- a/test/mjsunit/builtins.js
+++ b/test/mjsunit/builtins.js
@@ -27,8 +27,7 @@
 
 // Flags: --expose-natives-as=builtins
 
-// Checks that all function properties of the builtin object are neither
-// writable nor configurable. Also, theose functions that are actually
+// Checks that all function properties of the builtin object that are actually
 // constructors (recognized by having properties on their .prototype object),
 // have only unconfigurable properties on the prototype, and the methods
 // are also non-writable.
@@ -75,8 +74,6 @@
   assertTrue(desc.hasOwnProperty("value"));
   var value = desc.value;
   if (isFunction(value)) {
-    assertFalse(desc.writable, name);
-    assertFalse(desc.configurable, name);
     checkConstructor(value, name);
   }
 }