[turbofan] Factor out the function specific part from the frame state operator.

src/compiler/frame-states.cc

Index: src/compiler/frame-states.cc
diff --git a/src/compiler/frame-states.cc b/src/compiler/frame-states.cc
index 80876f6b2a9233f103645a69c2976ffeb8126b08..76d6749d0f88788cf17e1fca67ffe8fb9d65461f 100644
--- a/src/compiler/frame-states.cc
+++ b/src/compiler/frame-states.cc
@@ -27,24 +27,38 @@ std::ostream& operator<<(std::ostream& os, OutputFrameStateCombine const& sc) {
 }
 
 
-bool operator==(FrameStateCallInfo const& lhs, FrameStateCallInfo const& rhs) {
+bool operator==(FrameStateInfo const& lhs, FrameStateInfo const& rhs) {
   return lhs.type() == rhs.type() && lhs.bailout_id() == rhs.bailout_id() &&
-         lhs.state_combine() == rhs.state_combine();
+         lhs.state_combine() == rhs.state_combine() &&
+         lhs.function_info() == rhs.function_info();
 }
 
 
-bool operator!=(FrameStateCallInfo const& lhs, FrameStateCallInfo const& rhs) {
+bool operator!=(FrameStateInfo const& lhs, FrameStateInfo const& rhs) {
   return !(lhs == rhs);
 }
 
 
-size_t hash_value(FrameStateCallInfo const& info) {
-  return base::hash_combine(info.type(), info.bailout_id(),
+size_t hash_value(FrameStateInfo const& info) {
+  return base::hash_combine(static_cast<int>(info.type()), info.bailout_id(),
                             info.state_combine());
 }
 
 
-std::ostream& operator<<(std::ostream& os, FrameStateCallInfo const& info) {
+std::ostream& operator<<(std::ostream& os, FrameStateType type) {
+  switch (type) {
+    case FrameStateType::kJavaScriptFunction:
+      os << "JS_FRAME";
+      break;
+    case FrameStateType::kArgumentsAdaptor:
+      os << "ARGUMENTS_ADAPTOR";
+      break;
+  }
+  return os;
+}
+
+
+std::ostream& operator<<(std::ostream& os, FrameStateInfo const& info) {
   os << info.type() << ", " << info.bailout_id() << ", "
      << info.state_combine();
   Handle<SharedFunctionInfo> shared_info;