[turbofan] Add support for accessor inlining.

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 91827d028e78bcea7381d90636eed9622fe8589b..a02fb0121cbda8201946be348d36669225d0b0cc 100644
--- a/src/compiler/frame-states.cc
+++ b/src/compiler/frame-states.cc
@@ -64,6 +64,12 @@ std::ostream& operator<<(std::ostream& os, FrameStateType type) {
     case FrameStateType::kConstructStub:
       os << "CONSTRUCT_STUB";
       break;
+    case FrameStateType::kGetterStub:
+      os << "GETTER_STUB";
+      break;
+    case FrameStateType::kSetterStub:
+      os << "SETTER_STUB";
+      break;
   }
   return os;
 }