Introduce instance type for transition arrays.

src/types.cc

 // Copyright 2014 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 <iomanip>
 
 #include "src/types.h"
 
 #include "src/ostreams.h"
 #include "src/types-inl.h"
@@ skipping 257 matching lines @@
       return kDetectable & kTaggedPointer;
     case ALLOCATION_SITE_TYPE:
     case DECLARED_ACCESSOR_INFO_TYPE:
     case EXECUTABLE_ACCESSOR_INFO_TYPE:
     case SHARED_FUNCTION_INFO_TYPE:
     case ACCESSOR_PAIR_TYPE:
     case FIXED_ARRAY_TYPE:
     case FIXED_DOUBLE_ARRAY_TYPE:
     case BYTE_ARRAY_TYPE:
     case BYTECODE_ARRAY_TYPE:
+    case TRANSITION_ARRAY_TYPE:
     case FOREIGN_TYPE:
     case SCRIPT_TYPE:
     case CODE_TYPE:
     case PROPERTY_CELL_TYPE:
       return kInternal & kTaggedPointer;
 
     // Remaining instance types are unsupported for now. If any of them do
     // require bit set types, they should get kInternal & kTaggedPointer.
     case MUTABLE_HEAP_NUMBER_TYPE:
     case FREE_SPACE_TYPE:
@@ skipping 1108 matching lines @@
 
 template TypeImpl<ZoneTypeConfig>::TypeHandle
   TypeImpl<ZoneTypeConfig>::Convert<HeapType>(
     TypeImpl<HeapTypeConfig>::TypeHandle, TypeImpl<ZoneTypeConfig>::Region*);
 template TypeImpl<HeapTypeConfig>::TypeHandle
   TypeImpl<HeapTypeConfig>::Convert<Type>(
     TypeImpl<ZoneTypeConfig>::TypeHandle, TypeImpl<HeapTypeConfig>::Region*);
 
 }  // namespace internal
 }  // namespace v8