[stubs] Improve code generation for ToBoolean.

src/objects-inl.h

 // Copyright 2012 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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 1923 matching lines @@
 double Oddball::to_number_raw() const {
   return READ_DOUBLE_FIELD(this, kToNumberRawOffset);
 }
 
 void Oddball::set_to_number_raw(double value) {
   WRITE_DOUBLE_FIELD(this, kToNumberRawOffset, value);
 }
 
 ACCESSORS(Oddball, to_string, String, kToStringOffset)
 ACCESSORS(Oddball, to_number, Object, kToNumberOffset)
-ACCESSORS(Oddball, to_boolean, Oddball, kToBooleanOffset)
 ACCESSORS(Oddball, type_of, String, kTypeOfOffset)
 
 
 byte Oddball::kind() const {
   return Smi::cast(READ_FIELD(this, kKindOffset))->value();
 }
 
 
 void Oddball::set_kind(byte value) {
   WRITE_FIELD(this, kKindOffset, Smi::FromInt(value));
@@ skipping 6163 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_