[TypeFeedbackVector] Root feedback vectors at function literal site.

src/objects-printer.cc

 // Copyright 2012 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/objects.h"
 
 #include <iomanip>
 #include <memory>
 
 #include "src/bootstrapper.h"
@@ skipping 1036 matching lines @@
   os << "\n - shared_info = " << Brief(shared());
   os << "\n - name = " << Brief(shared()->name());
   os << "\n - formal_parameter_count = "
      << shared()->internal_formal_parameter_count();
   if (IsGeneratorFunction(shared()->kind())) {
     os << "\n   - generator";
   } else if (IsAsyncFunction(shared()->kind())) {
     os << "\n   - async";
   }
   os << "\n - context = " << Brief(context());
-  os << "\n - feedback vector = " << Brief(feedback_vector());
+  os << "\n - feedback vector cell = " << Brief(feedback_vector_cell());
   os << "\n - code = " << Brief(code());
   JSObjectPrintBody(os, this);
 }
 
 
 void SharedFunctionInfo::SharedFunctionInfoPrint(std::ostream& os) {  // NOLINT
   HeapObject::PrintHeader(os, "SharedFunctionInfo");
   os << "\n - name = " << Brief(name());
   os << "\n - formal_parameter_count = " << internal_formal_parameter_count();
   os << "\n - expected_nof_properties = " << expected_nof_properties();
@@ skipping 611 matching lines @@
 //
 extern void _v8_internal_Print_Object(void* object) {
   reinterpret_cast<i::Object*>(object)->Print();
 }
 
 extern void _v8_internal_Print_Code(void* object) {
   i::Isolate* isolate = i::Isolate::Current();
   isolate->FindCodeObject(reinterpret_cast<i::Address>(object))->Print();
 }
 
+extern void _v8_internal_Print_TypeFeedbackMetadata(void* object) {
+  if (reinterpret_cast<i::Object*>(object)->IsSmi()) {
+    printf("Not a type feedback metadata object\n");
+  } else {
+    reinterpret_cast<i::TypeFeedbackMetadata*>(object)->Print();
+  }
+}
+
 extern void _v8_internal_Print_TypeFeedbackVector(void* object) {
   if (reinterpret_cast<i::Object*>(object)->IsSmi()) {
     printf("Not a type feedback vector\n");
   } else {
     reinterpret_cast<i::TypeFeedbackVector*>(object)->Print();
   }
 }
 
 extern void _v8_internal_Print_DescriptorArray(void* object) {
   if (reinterpret_cast<i::Object*>(object)->IsSmi()) {
@@ skipping 17 matching lines @@
     printf("Not a transition array\n");
   } else {
     reinterpret_cast<i::TransitionArray*>(object)->Print();
   }
 }
 
 extern void _v8_internal_Print_StackTrace() {
   i::Isolate* isolate = i::Isolate::Current();
   isolate->PrintStack(stdout);
 }