[turbofan] Initial support for constructor call inlining.

src/compiler/frame-states.cc

 // Copyright 2015 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/base/functional.h"
 #include "src/compiler/frame-states.h"
 #include "src/handles-inl.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 36 matching lines @@
 
 
 std::ostream& operator<<(std::ostream& os, FrameStateType type) {
   switch (type) {
     case FrameStateType::kJavaScriptFunction:
       os << "JS_FRAME";
       break;
     case FrameStateType::kArgumentsAdaptor:
       os << "ARGUMENTS_ADAPTOR";
       break;
+    case FrameStateType::kConstructStub:
+      os << "CONSTRUCT_STUB";
+      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;
   if (info.shared_info().ToHandle(&shared_info)) {
     os << ", " << Brief(*shared_info);
   }
   return os;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8