[turbofan] Make FieldAccess::name usable in practice.

src/compiler/simplified-operator.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/compiler/simplified-operator.h"
 
 #include "src/base/lazy-instance.h"
 #include "src/compiler/opcodes.h"
 #include "src/compiler/operator.h"
 #include "src/types-inl.h"
@@ skipping 84 matching lines @@
 
 
 size_t hash_value(FieldAccess const& access) {
   return base::hash_combine(access.base_is_tagged, access.offset,
                             access.machine_type);
 }
 
 
 std::ostream& operator<<(std::ostream& os, FieldAccess const& access) {
   os << "[" << access.base_is_tagged << ", " << access.offset << ", ";
-#ifdef OBJECT_PRINT
-  Handle<Name> name;
-  if (access.name.ToHandle(&name)) {
-    name->Print(os);
-    os << ", ";
-  }
-#endif
+  if (access.name != nullptr) os << access.name << ", ";
   access.type->PrintTo(os);
   os << ", " << access.machine_type << "]";
   return os;
 }
 
 
 bool operator==(ElementAccess const& lhs, ElementAccess const& rhs) {
   return lhs.base_is_tagged == rhs.base_is_tagged &&
          lhs.header_size == rhs.header_size &&
          lhs.machine_type == rhs.machine_type;
@@ skipping 185 matching lines @@
         Operator1<Type>(IrOpcode::k##Name, Operator::kNoThrow | properties,    \
                         #Name, value_input_count, 1, control_input_count,      \
                         output_count, 1, 0, access);                           \
   }
 ACCESS_OP_LIST(ACCESS)
 #undef ACCESS
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8