Enable stub generation using Hydrogen/Lithium (again)

src/prettyprinter.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 24 matching lines @@
 
 namespace v8 {
 namespace internal {
 
 #ifdef DEBUG
 
 PrettyPrinter::PrettyPrinter() {
   output_ = NULL;
   size_ = 0;
   pos_ = 0;
+  InitializeAstVisitor();
 }
 
 
 PrettyPrinter::~PrettyPrinter() {
   DeleteArray(output_);
 }
 
 
 void PrettyPrinter::VisitBlock(Block* node) {
   if (!node->is_initializer_block()) Print("{ ");
@@ skipping 1068 matching lines @@
 }
 
 
 void AstPrinter::VisitThisFunction(ThisFunction* node) {
   IndentedScope indent(this, "THIS-FUNCTION");
 }
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal