[turbofan] Also print the non-value inputs in schedule.

src/compiler/node.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/node.h"
 
 #include "src/compiler/generic-node-inl.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 26 matching lines @@
         OpParameter<size_t>(*i) == projection_index) {
       return *i;
     }
   }
   return NULL;
 }
 
 
 std::ostream& operator<<(std::ostream& os, const Node& n) {
   os << n.id() << ": " << *n.op();
-  if (n.op()->InputCount() > 0) {
+  if (n.InputCount() > 0) {
     os << "(";
-    for (int i = 0; i < n.op()->InputCount(); ++i) {
+    for (int i = 0; i < n.InputCount(); ++i) {
       if (i != 0) os << ", ";
       os << n.InputAt(i)->id();
     }
     os << ")";
   }
   return os;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8