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

src/compiler/node.cc

Index: src/compiler/node.cc
diff --git a/src/compiler/node.cc b/src/compiler/node.cc
index 28be39986b20633380eede5038bd3ded34dc0bf0..673ef3290e9127e8c2859a0b264485f59ebdd281 100644
--- a/src/compiler/node.cc
+++ b/src/compiler/node.cc
@@ -44,9 +44,9 @@ Node* Node::FindProjection(size_t projection_index) {
 
 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();
     }