Revert "[turbofan] Merge GenericNode with Node."

src/compiler/graph-builder.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/compiler/graph-builder.h"
 
 #include "src/compiler.h"
 #include "src/compiler/generic-graph.h"
+#include "src/compiler/generic-node.h"
+#include "src/compiler/generic-node-inl.h"
 #include "src/compiler/graph-visualizer.h"
 #include "src/compiler/node-properties.h"
 #include "src/compiler/node-properties-inl.h"
 #include "src/compiler/operator-properties.h"
 #include "src/compiler/operator-properties-inl.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
@@ skipping 236 matching lines @@
   if (!dead_control_.is_set()) {
     Node* dead_node = graph()->NewNode(common_->Dead());
     dead_control_.set(dead_node);
     return dead_node;
   }
   return dead_control_.get();
 }
 }
 }
 }  // namespace v8::internal::compiler