[heap] ObjectStats: Fix accounting for fixed array subtypes

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 773 matching lines @@
   V(DESCRIPTOR_ARRAY_SUB_TYPE)                \
   V(ENUM_CACHE_SUB_TYPE)                      \
   V(ENUM_INDICES_CACHE_SUB_TYPE)              \
   V(DICTIONARY_ELEMENTS_SUB_TYPE)             \
   V(DICTIONARY_PROPERTIES_SUB_TYPE)           \
   V(FAST_ELEMENTS_SUB_TYPE)                   \
   V(FAST_PROPERTIES_SUB_TYPE)                 \
   V(LITERALS_ARRAY_SUB_TYPE)                  \
   V(MAP_CODE_CACHE_SUB_TYPE)                  \
   V(OBJECT_TO_CODE_SUB_TYPE)                  \
-  V(RELOC_INFO_SUB_TYPE)                      \

[Michael Lippautz, 2016/07/14 09:56:17]

reloc info and source position table are byte arrays that have their own
instance type

   V(SCOPE_INFO_SUB_TYPE)                      \
-  V(SOURCE_POS_SUB_TYPE)                      \
   V(STRING_TABLE_SUB_TYPE)                    \
   V(TYPE_FEEDBACK_VECTOR_SUB_TYPE)            \
   V(TYPE_FEEDBACK_METADATA_SUB_TYPE)          \
   V(WEAK_COLLECTION_SUB_TYPE)
 
 enum FixedArraySubInstanceType {
 #define DEFINE_FIXED_ARRAY_SUB_INSTANCE_TYPE(name) name,
   FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(DEFINE_FIXED_ARRAY_SUB_INSTANCE_TYPE)
 #undef DEFINE_FIXED_ARRAY_SUB_INSTANCE_TYPE
       LAST_FIXED_ARRAY_SUB_TYPE = WEAK_COLLECTION_SUB_TYPE
@@ skipping 10185 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_