Templatize AstVisitor with its subclass

src/crankshaft/hydrogen.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/crankshaft/hydrogen.h"
 
 #include <sstream>
 
 #include "src/allocation-site-scopes.h"
 #include "src/ast/ast-numbering.h"
@@ skipping 12123 matching lines @@
   DCHECK(!HasStackOverflow());
   DCHECK(current_block() != NULL);
   DCHECK(current_block()->HasPredecessor());
   return Bailout(kSuperReference);
 }
 
 
 void HOptimizedGraphBuilder::VisitDeclarations(
     ZoneList<Declaration*>* declarations) {
   DCHECK(globals_.is_empty());
-  AstVisitor::VisitDeclarations(declarations);
+  AstVisitor<HOptimizedGraphBuilder>::VisitDeclarations(declarations);
   if (!globals_.is_empty()) {
     Handle<FixedArray> array =
        isolate()->factory()->NewFixedArray(globals_.length(), TENURED);
     for (int i = 0; i < globals_.length(); ++i) array->set(i, *globals_.at(i));
     int flags = current_info()->GetDeclareGlobalsFlags();
     Handle<TypeFeedbackVector> vector(current_feedback_vector(), isolate());
     Add<HDeclareGlobals>(array, flags, vector);
     globals_.Rewind(0);
   }
 }
@@ skipping 1266 matching lines @@
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 }  // namespace internal
 }  // namespace v8