Use map to distinguish type feedback vectors.

src/heap/heap.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.
 
 #ifndef V8_HEAP_HEAP_H_
 #define V8_HEAP_HEAP_H_
 
 #include <cmath>
 #include <map>
 
@@ skipping 76 matching lines @@
   /* Maps */                                                                   \
   V(Map, fixed_double_array_map, FixedDoubleArrayMap)                          \
   V(Map, mutable_heap_number_map, MutableHeapNumberMap)                        \
   V(Map, ordered_hash_table_map, OrderedHashTableMap)                          \
   V(Map, unseeded_number_dictionary_map, UnseededNumberDictionaryMap)          \
   V(Map, sloppy_arguments_elements_map, SloppyArgumentsElementsMap)            \
   V(Map, message_object_map, JSMessageObjectMap)                               \
   V(Map, external_map, ExternalMap)                                            \
   V(Map, bytecode_array_map, BytecodeArrayMap)                                 \
   V(Map, module_info_map, ModuleInfoMap)                                       \
+  V(Map, type_feedback_vector_map, TypeFeedbackVectorMap)                      \
   /* String maps */                                                            \
   V(Map, native_source_string_map, NativeSourceStringMap)                      \
   V(Map, string_map, StringMap)                                                \
   V(Map, cons_one_byte_string_map, ConsOneByteStringMap)                       \
   V(Map, cons_string_map, ConsStringMap)                                       \
   V(Map, sliced_string_map, SlicedStringMap)                                   \
   V(Map, sliced_one_byte_string_map, SlicedOneByteStringMap)                   \
   V(Map, external_string_map, ExternalStringMap)                               \
   V(Map, external_string_with_one_byte_data_map,                               \
     ExternalStringWithOneByteDataMap)                                          \
@@ skipping 2570 matching lines @@
   friend class LargeObjectSpace;
   friend class NewSpace;
   friend class PagedSpace;
   DISALLOW_COPY_AND_ASSIGN(AllocationObserver);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_HEAP_H_