Avoid manual object's body traversal in GC.

src/heap/objects-visiting.cc

 // Copyright 2011 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/heap/objects-visiting.h"
 
 #include "src/heap/mark-compact-inl.h"
 #include "src/heap/objects-visiting-inl.h"
 
 namespace v8 {
@@ skipping 208 matching lines @@
     case JS_VALUE_TYPE:
     case JS_DATE_TYPE:
     case JS_ARRAY_TYPE:
     case JS_TYPED_ARRAY_TYPE:
     case JS_DATA_VIEW_TYPE:
     case JS_SET_TYPE:
     case JS_MAP_TYPE:
     case JS_SET_ITERATOR_TYPE:
     case JS_MAP_ITERATOR_TYPE:
     case JS_ITERATOR_RESULT_TYPE:
-    case JS_WEAK_MAP_TYPE:
-    case JS_WEAK_SET_TYPE:
     case JS_REGEXP_TYPE:
     case JS_GLOBAL_PROXY_TYPE:
     case JS_GLOBAL_OBJECT_TYPE:
     case JS_MESSAGE_OBJECT_TYPE:
       JSObject::BodyDescriptor::IterateBody(this, object_size, v);
       break;
+    case JS_WEAK_MAP_TYPE:
+    case JS_WEAK_SET_TYPE:
+      JSWeakCollection::BodyDescriptor::IterateBody(this, object_size, v);
+      break;
     case JS_ARRAY_BUFFER_TYPE:
-      JSArrayBuffer::JSArrayBufferIterateBody(this, v);
+      JSArrayBuffer::BodyDescriptor::IterateBody(this, object_size, v);
       break;
     case JS_FUNCTION_TYPE:
       JSFunction::BodyDescriptor::IterateBody(this, object_size, v);
       break;
     case ODDBALL_TYPE:
       Oddball::BodyDescriptor::IterateBody(this, v);
       break;
     case JS_PROXY_TYPE:
       JSProxy::BodyDescriptor::IterateBody(this, v);
       break;
@@ skipping 26 matching lines @@
       break;
 
     case HEAP_NUMBER_TYPE:
     case MUTABLE_HEAP_NUMBER_TYPE:
     case SIMD128_VALUE_TYPE:
     case FILLER_TYPE:
     case BYTE_ARRAY_TYPE:
     case FREE_SPACE_TYPE:
       break;
 
-#define TYPED_ARRAY_CASE(Type, type, TYPE, ctype, size) \
-  case FIXED_##TYPE##_ARRAY_TYPE:                       \
-    reinterpret_cast<FixedTypedArrayBase*>(this)        \
-        ->FixedTypedArrayBaseIterateBody(v);            \
+#define TYPED_ARRAY_CASE(Type, type, TYPE, ctype, size)                     \
+  case FIXED_##TYPE##_ARRAY_TYPE:                                           \
+    FixedTypedArrayBase::BodyDescriptor::IterateBody(this, object_size, v); \
     break;
       TYPED_ARRAYS(TYPED_ARRAY_CASE)
 #undef TYPED_ARRAY_CASE
 
     case SHARED_FUNCTION_INFO_TYPE: {
       SharedFunctionInfo::BodyDescriptor::IterateBody(this, v);
       break;
     }
 
 #define MAKE_STRUCT_CASE(NAME, Name, name) case NAME##_TYPE:
@@ skipping 190 matching lines @@
 };
 
 
 template Object* VisitWeakList<Context>(Heap* heap, Object* list,
                                         WeakObjectRetainer* retainer);
 
 template Object* VisitWeakList<AllocationSite>(Heap* heap, Object* list,
                                                WeakObjectRetainer* retainer);
 }  // namespace internal
 }  // namespace v8