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

src/heap/object-stats.cc

 // 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.
 
 #include "src/heap/object-stats.h"
 
 #include "src/assembler-inl.h"
 #include "src/compilation-cache.h"
 #include "src/counters.h"
 #include "src/heap/heap-inl.h"
@@ skipping 444 matching lines @@
     if (array->HasEnumCache()) {
       RecordFixedArrayHelper(array, array->GetEnumCache(), ENUM_CACHE_SUB_TYPE,
                              0);
     }
     if (array->HasEnumIndicesCache()) {
       RecordFixedArrayHelper(array, array->GetEnumIndicesCache(),
                              ENUM_INDICES_CACHE_SUB_TYPE, 0);
     }
   }
 
-  if (map_obj->has_code_cache()) {
-    FixedArray* code_cache = map_obj->code_cache();
+  FixedArray* code_cache = map_obj->code_cache();
+  if (code_cache->length() > 0) {
     if (code_cache->IsCodeCacheHashTable()) {
       RecordHashTableHelper(map_obj, CodeCacheHashTable::cast(code_cache),
                             MAP_CODE_CACHE_SUB_TYPE);
     } else {
       RecordFixedArrayHelper(map_obj, code_cache, MAP_CODE_CACHE_SUB_TYPE, 0);
     }
   }
 
   for (DependentCode* cur_dependent_code = map_obj->dependent_code();
        cur_dependent_code != heap_->empty_fixed_array();
@@ skipping 95 matching lines @@
                           SLOW_TEMPLATE_INSTANTIATIONS_CACHE_SUB_TYPE);
     FixedArray* fast_cache = native_ctx->fast_template_instantiations_cache();
     stats_->RecordFixedArraySubTypeStats(
         fast_cache, FAST_TEMPLATE_INSTANTIATIONS_CACHE_SUB_TYPE,
         fast_cache->Size(), 0);
   }
 }
 
 }  // namespace internal
 }  // namespace v8