[builtins] Properly optimize TypedArray/DataView accessors.

src/objects.h

 // Copyright 2015 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/assert-scope.h"
@@ skipping 6599 matching lines @@
 
 enum BuiltinFunctionId {
   kArrayCode,
 #define DECLARE_FUNCTION_ID(ignored1, ignore2, name)    \
   k##name,
   FUNCTIONS_WITH_ID_LIST(DECLARE_FUNCTION_ID)
       ATOMIC_FUNCTIONS_WITH_ID_LIST(DECLARE_FUNCTION_ID)
 #undef DECLARE_FUNCTION_ID
   // Fake id for a special case of Math.pow. Note, it continues the
   // list of math functions.
-  kMathPowHalf
+  kMathPowHalf,
+  // These are manually assigned to special getters during bootstrapping.
+  kDataViewBuffer,
+  kDataViewByteLength,
+  kDataViewByteOffset,
+  kTypedArrayByteLength,
+  kTypedArrayByteOffset,
+  kTypedArrayLength,
 };
 
 
 // Result of searching in an optimized code map of a SharedFunctionInfo. Note
 // that both {code} and {literals} can be NULL to pass search result status.
 struct CodeAndLiterals {
   Code* code;            // Cached optimized code.
   LiteralsArray* literals;  // Cached literals array.
 };
 
@@ skipping 1904 matching lines @@
   inline bool AsArrayIndex(uint32_t* index);
 
   // If the name is private, it can only name own properties.
   inline bool IsPrivate();
 
   inline bool IsUniqueName() const;
 
   // Return a string version of this name that is converted according to the
   // rules described in ES6 section 9.2.11.
   MUST_USE_RESULT static MaybeHandle<String> ToFunctionName(Handle<Name> name);
+  MUST_USE_RESULT static MaybeHandle<String> ToFunctionName(
+      Handle<Name> name, Handle<String> prefix);
 
   DECLARE_CAST(Name)
 
   DECLARE_PRINTER(Name)
 #if TRACE_MAPS
   void NameShortPrint();
   int NameShortPrint(Vector<char> str);
 #endif
 
   // Layout description.
@@ skipping 2235 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_