Make generic algorithm less generic.

src/compiler/js-context-specialization.cc

 // Copyright 2014 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/compiler/common-operator.h"
 #include "src/compiler/generic-node-inl.h"
 #include "src/compiler/graph-inl.h"
 #include "src/compiler/js-context-specialization.h"
 #include "src/compiler/js-operator.h"
 #include "src/compiler/node-aux-data-inl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties-inl.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 class ContextSpecializationVisitor : public NullNodeVisitor {
  public:
   explicit ContextSpecializationVisitor(JSContextSpecializer* spec)
       : spec_(spec) {}
 
-  GenericGraphVisit::Control Post(Node* node) {
+  void Post(Node* node) {
     switch (node->opcode()) {
       case IrOpcode::kJSLoadContext: {
         Reduction r = spec_->ReduceJSLoadContext(node);
         if (r.Changed() && r.replacement() != node) {
           NodeProperties::ReplaceWithValue(node, r.replacement());
           node->RemoveAllInputs();
         }
         break;
       }
       case IrOpcode::kJSStoreContext: {
         Reduction r = spec_->ReduceJSStoreContext(node);
         if (r.Changed() && r.replacement() != node) {
           NodeProperties::ReplaceWithValue(node, r.replacement());
           node->RemoveAllInputs();
         }
         break;
       }
       default:
         break;
     }
-    return GenericGraphVisit::CONTINUE;
   }
 
  private:
   JSContextSpecializer* spec_;
 };
 
 
 void JSContextSpecializer::SpecializeToContext() {
   NodeProperties::ReplaceWithValue(context_,
                                    jsgraph_->Constant(info_->context()));
@@ skipping 77 matching lines @@
   node->set_op(op);
   Handle<Object> new_context_handle = Handle<Object>(context, info_->isolate());
   node->ReplaceInput(0, jsgraph_->Constant(new_context_handle));
 
   return Reducer::Changed(node);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8