[interpreter] Print name together with bytecode handler.

src/objects.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/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <sstream>
 
@@ skipping 16 matching lines @@
 #include "src/deoptimizer.h"
 #include "src/elements.h"
 #include "src/execution.h"
 #include "src/field-index-inl.h"
 #include "src/field-index.h"
 #include "src/field-type.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/ic/ic.h"
 #include "src/identity-map.h"
 #include "src/interpreter/bytecode-array-iterator.h"
+#include "src/interpreter/interpreter.h"
 #include "src/interpreter/source-position-table.h"
 #include "src/isolate-inl.h"
 #include "src/keys.h"
 #include "src/list.h"
 #include "src/log.h"
 #include "src/lookup.h"
 #include "src/macro-assembler.h"
 #include "src/messages.h"
 #include "src/objects-body-descriptors-inl.h"
 #include "src/profiler/cpu-profiler.h"
@@ skipping 14761 matching lines @@
     }
     if (is_compare_ic_stub()) {
       DCHECK(CodeStub::GetMajorKey(this) == CodeStub::CompareIC);
       CompareICStub stub(stub_key(), GetIsolate());
       os << "compare_state = " << CompareICState::GetStateName(stub.left())
          << "*" << CompareICState::GetStateName(stub.right()) << " -> "
          << CompareICState::GetStateName(stub.state()) << "\n";
       os << "compare_operation = " << Token::Name(stub.op()) << "\n";
     }
   }
-  if ((name != NULL) && (name[0] != '\0')) {
+  if ((name != nullptr) && (name[0] != '\0')) {
     os << "name = " << name << "\n";
   } else if (kind() == BUILTIN) {
     name = GetIsolate()->builtins()->Lookup(instruction_start());
-    if (name != NULL) {
+    if (name != nullptr) {
+      os << "name = " << name << "\n";
+    }
+  } else if (kind() == BYTECODE_HANDLER) {
+    name = GetIsolate()->interpreter()->LookupNameOfBytecodeHandler(this);
+    if (name != nullptr) {
       os << "name = " << name << "\n";
     }
   }
   if (kind() == OPTIMIZED_FUNCTION) {
     os << "stack_slots = " << stack_slots() << "\n";
   }
   os << "compiler = " << (is_turbofanned()
                               ? "turbofan"
                               : is_crankshafted() ? "crankshaft"
                                                   : kind() == Code::FUNCTION
@@ skipping 4895 matching lines @@
   if (cell->value() != *new_value) {
     cell->set_value(*new_value);
     Isolate* isolate = cell->GetIsolate();
     cell->dependent_code()->DeoptimizeDependentCodeGroup(
         isolate, DependentCode::kPropertyCellChangedGroup);
   }
 }
 
 }  // namespace internal
 }  // namespace v8