Inline Map::has_code_cache() into its one caller.

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 3596 matching lines @@
 void Map::mark_unstable() {
   set_bit_field3(IsUnstable::update(bit_field3(), true));
 }
 
 
 bool Map::is_stable() {
   return !IsUnstable::decode(bit_field3());
 }
 
 
-bool Map::has_code_cache() {
-  // Code caches are always fixed arrays. The empty fixed array is used as a
-  // sentinel for an absent code cache.
-  return code_cache()->length() != 0;
-}
-
-
 bool Map::CanBeDeprecated() {
   int descriptor = LastAdded();
   for (int i = 0; i <= descriptor; i++) {
     PropertyDetails details = instance_descriptors()->GetDetails(i);
     if (details.representation().IsNone()) return true;
     if (details.representation().IsSmi()) return true;
     if (details.representation().IsDouble()) return true;
     if (details.representation().IsHeapObject()) return true;
     if (details.kind() == kData && details.location() == kDescriptor) {
       return true;
@@ skipping 2775 matching lines @@
 
 ACCESSORS(JSStringIterator, string, String, kStringOffset)
 SMI_ACCESSORS(JSStringIterator, index, kNextIndexOffset)
 
 }  // namespace internal
 }  // namespace v8
 
 #include "src/objects/object-macros-undef.h"
 
 #endif  // V8_OBJECTS_INL_H_