[turbofan] Introduce initial support for TypedArrays.

src/compiler/access-builder.h

 // 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.
 
 #ifndef V8_COMPILER_ACCESS_BUILDER_H_
 #define V8_COMPILER_ACCESS_BUILDER_H_
 
 #include "src/compiler/simplified-operator.h"
 
 namespace v8 {
@@ skipping 88 matching lines @@
 
   // Provides access to JSRegExp::flags() field.
   static FieldAccess ForJSRegExpFlags();
 
   // Provides access to JSRegExp::source() field.
   static FieldAccess ForJSRegExpSource();
 
   // Provides access to FixedArray::length() field.
   static FieldAccess ForFixedArrayLength();
 
+  // Provides access to FixedTypedArrayBase::base_pointer() field.
+  static FieldAccess ForFixedTypedArrayBaseBasePointer();
+
+  // Provides access to FixedTypedArrayBase::external_pointer() field.
+  static FieldAccess ForFixedTypedArrayBaseExternalPointer();
+
   // Provides access to DescriptorArray::enum_cache() field.
   static FieldAccess ForDescriptorArrayEnumCache();
 
   // Provides access to DescriptorArray::enum_cache_bridge_cache() field.
   static FieldAccess ForDescriptorArrayEnumCacheBridgeCache();
 
   // Provides access to Map::bit_field() byte.
   static FieldAccess ForMapBitField();
 
   // Provides access to Map::bit_field3() field.
@@ skipping 76 matching lines @@
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(AccessBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_ACCESS_BUILDER_H_