Do not use new struct type where unnecessary.

src/deoptimizer.cc

 // Copyright 2013 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/deoptimizer.h"
 
 #include <memory>
 
 #include "src/accessors.h"
 #include "src/assembler-inl.h"
@@ skipping 4192 matching lines @@
     case MODULE_TYPE:
     case MODULE_INFO_ENTRY_TYPE:
     case FREE_SPACE_TYPE:
 #define FIXED_TYPED_ARRAY_CASE(Type, type, TYPE, ctype, size) \
   case FIXED_##TYPE##_ARRAY_TYPE:
       TYPED_ARRAYS(FIXED_TYPED_ARRAY_CASE)
 #undef FIXED_TYPED_ARRAY_CASE
     case FILLER_TYPE:
     case ACCESS_CHECK_INFO_TYPE:
     case INTERCEPTOR_INFO_TYPE:
-    case CALL_HANDLER_INFO_TYPE:
     case OBJECT_TEMPLATE_INFO_TYPE:
     case ALLOCATION_MEMENTO_TYPE:
-    case TYPE_FEEDBACK_INFO_TYPE:
     case ALIASED_ARGUMENTS_ENTRY_TYPE:
     case PROMISE_RESOLVE_THENABLE_JOB_INFO_TYPE:
     case PROMISE_REACTION_JOB_INFO_TYPE:
     case DEBUG_INFO_TYPE:
-    case BREAK_POINT_INFO_TYPE:
     case STACK_FRAME_INFO_TYPE:
     case CELL_TYPE:
     case WEAK_CELL_TYPE:
     case PROTOTYPE_INFO_TYPE:
     case TUPLE2_TYPE:
     case TUPLE3_TYPE:
-    case CONSTANT_ELEMENTS_PAIR_TYPE:
     case ASYNC_GENERATOR_REQUEST_TYPE:
+    case PADDING_TYPE_1:
+    case PADDING_TYPE_2:
+    case PADDING_TYPE_3:
+    case PADDING_TYPE_4:
       OFStream os(stderr);
       os << "[couldn't handle instance type " << map->instance_type() << "]"
          << std::endl;
       UNREACHABLE();
       break;
   }
   UNREACHABLE();
   return Handle<Object>::null();
 }
 
@@ skipping 223 matching lines @@
       CHECK(value_info->IsMaterializedObject());
 
       value_info->value_ =
           Handle<Object>(previously_materialized_objects->get(i), isolate_);
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8