Better typing and type verification

src/compiler/graph.cc

Index: src/compiler/graph.cc
diff --git a/src/compiler/graph.cc b/src/compiler/graph.cc
index 3f47eace8159e9d7ef97566db8bfe39a1e1acc8c..b8f2d756bcafad4c0bc5868652f78dbcbbaf4a71 100644
--- a/src/compiler/graph.cc
+++ b/src/compiler/graph.cc
@@ -23,14 +23,19 @@ Graph::Graph(Zone* zone)
       decorators_(DecoratorVector::allocator_type(zone)) {}
 
 
+void Graph::Decorate(Node* node) {
+  for (DecoratorVector::iterator i = decorators_.begin();
+       i != decorators_.end(); ++i) {
+    (*i)->Decorate(node);
+  }
+}
+
+
 Node* Graph::NewNode(Operator* op, int input_count, Node** inputs) {
   DCHECK(op->InputCount() <= input_count);
   Node* result = Node::New(this, input_count, inputs);
   result->Initialize(op);
-  for (DecoratorVector::iterator i = decorators_.begin();
-       i != decorators_.end(); ++i) {
-    (*i)->Decorate(result);
-  }
+  Decorate(result);
   return result;
 }