Enable stub generation using Hydrogen/Lithium (again)

src/ast.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 598 matching lines @@
 void ObjectLiteral::Property::RecordTypeFeedback(TypeFeedbackOracle* oracle) {
   receiver_type_ = oracle->ObjectLiteralStoreIsMonomorphic(this)
       ? oracle->GetObjectLiteralStoreMap(this)
       : Handle<Map>::null();
 }
 
 
 // ----------------------------------------------------------------------------
 // Implementation of AstVisitor
 
-bool AstVisitor::CheckStackOverflow() {
-  if (stack_overflow_) return true;
-  StackLimitCheck check(isolate_);
-  if (!check.HasOverflowed()) return false;
-  return (stack_overflow_ = true);
-}
-
-
 void AstVisitor::VisitDeclarations(ZoneList<Declaration*>* declarations) {
   for (int i = 0; i < declarations->length(); i++) {
     Visit(declarations->at(i));
   }
 }
 
 
 void AstVisitor::VisitStatements(ZoneList<Statement*>* statements) {
   for (int i = 0; i < statements->length(); i++) {
     Visit(statements->at(i));
@@ skipping 481 matching lines @@
     OS::SNPrintF(buffer, "%d", Smi::cast(*handle_)->value());
     str = arr;
   } else {
     str = DoubleToCString(handle_->Number(), buffer);
   }
   return FACTORY->NewStringFromAscii(CStrVector(str));
 }
 
 
 } }  // namespace v8::internal