Revert of Remove ExternalArray, derived types, and element kinds

src/compiler/access-builder.cc

 // Copyright 2014 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/access-builder.h"
 #include "src/types-inl.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
@@ skipping 63 matching lines @@
   STATIC_ASSERT(FixedArray::kMaxLength <= 1 << 30);
   FieldAccess access = {
       kTaggedBase, FixedArray::kLengthOffset, MaybeHandle<Name>(),
       Type::Intersect(Type::Unsigned30(), Type::TaggedSigned()),
       kMachAnyTagged};
   return access;
 }
 
 
 // static
+FieldAccess AccessBuilder::ForExternalArrayPointer() {
+  FieldAccess access = {kTaggedBase, ExternalArray::kExternalPointerOffset,
+                        MaybeHandle<Name>(), Type::UntaggedPointer(), kMachPtr};
+  return access;
+}
+
+
+// static
 FieldAccess AccessBuilder::ForDescriptorArrayEnumCache() {
   FieldAccess access = {kTaggedBase, DescriptorArray::kEnumCacheOffset,
                         Handle<Name>(), Type::TaggedPointer(), kMachAnyTagged};
   return access;
 }
 
 
 // static
 FieldAccess AccessBuilder::ForDescriptorArrayEnumCacheBridgeCache() {
   FieldAccess access = {kTaggedBase,
@@ skipping 174 matching lines @@
 // static
 FieldAccess AccessBuilder::ForFrameMarker() {
   FieldAccess access = {kUntaggedBase, StandardFrameConstants::kMarkerOffset,
                         MaybeHandle<Name>(), Type::Tagged(), kMachAnyTagged};
   return access;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8