Undefined is not a literal.

src/full-codegen.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1587 matching lines @@
 
 
 bool FullCodeGenerator::TryLiteralCompare(CompareOperation* expr) {
   Expression* sub_expr;
   Handle<String> check;
   if (expr->IsLiteralCompareTypeof(&sub_expr, &check)) {
     EmitLiteralCompareTypeof(expr, sub_expr, check);
     return true;
   }
 
-  if (expr->IsLiteralCompareUndefined(&sub_expr)) {
+  if (expr->IsLiteralCompareUndefined(&sub_expr, isolate())) {
     EmitLiteralCompareNil(expr, sub_expr, kUndefinedValue);
     return true;
   }
 
   if (expr->IsLiteralCompareNull(&sub_expr)) {
     EmitLiteralCompareNil(expr, sub_expr, kNullValue);
     return true;
   }
 
   return false;
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal