- Remove kFreeBit, as it is not needed any longer

runtime/vm/raw_object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 #include "vm/token.h"
@@ skipping 201 matching lines @@
 
 
 // RawObject is the base class of all raw objects, even though it carries the
 // class_ field not all raw objects are allocated in the heap and thus cannot
 // be dereferenced (e.g. RawSmi).
 class RawObject {
  public:
   // The tags field which is a part of the object header uses the following
   // bit fields for storing tags.
   enum TagBits {
-    kFreeBit = 0,
+    kWatchedBit = 0,
     kMarkBit = 1,
     kCanonicalBit = 2,
     kFromSnapshotBit = 3,
-    kWatchedBit = 4,
-    kReservedTagBit = 5,  // kReservedBit{10K,100K,1M,10M}
-    kReservedTagSize = 3,
+    kReservedTagBit = 4,  // kReservedBit{1K, 10K,100K,1M,10M}
+    kReservedTagSize = 4,
     kSizeTagBit = 8,
     kSizeTagSize = 8,
     kClassIdTagBit = kSizeTagBit + kSizeTagSize,
     kClassIdTagSize = 16
   };
 
   // Encodes the object size in the tag in units of object alignment.
   class SizeTag {
    public:
     static const intptr_t kMaxSizeTag =
@@ skipping 140 matching lines @@
   static bool IsBuiltinListClassId(intptr_t index);
   static bool IsTypedDataClassId(intptr_t index);
   static bool IsTypedDataViewClassId(intptr_t index);
   static bool IsExternalTypedDataClassId(intptr_t index);
 
   static intptr_t NumberOfTypedDataClasses();
 
  private:
   uword tags_;  // Various object tags (bits).
 
-  class FreeBit : public BitField<bool, kFreeBit, 1> {};
+  class WatchedBit : public BitField<bool, kWatchedBit, 1> {};
 
   class MarkBit : public BitField<bool, kMarkBit, 1> {};
 
-  class WatchedBit : public BitField<bool, kWatchedBit, 1> {};
-
   class CanonicalObjectTag : public BitField<bool, kCanonicalBit, 1> {};
 
   class CreatedFromSnapshotTag : public BitField<bool, kFromSnapshotBit, 1> {};
 
   class ReservedBits : public BitField<intptr_t,
                                        kReservedTagBit,
                                        kReservedTagSize> {};  // NOLINT
 
   RawObject* ptr() const {
     ASSERT(IsHeapObject());
@@ skipping 1259 matching lines @@
   // Make sure this is updated when new TypedData types are added.
   ASSERT(kTypedDataInt8ArrayViewCid == kTypedDataInt8ArrayCid + 12);
   ASSERT(kExternalTypedDataInt8ArrayCid == kTypedDataInt8ArrayViewCid + 13);
   ASSERT(kNullCid == kExternalTypedDataInt8ArrayCid + 12);
   return (kNullCid - kTypedDataInt8ArrayCid);
 }
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_