Rearrange bits in the bitfields to get better compaction, this reduces

runtime/vm/object.h

Index: runtime/vm/object.h
===================================================================
--- runtime/vm/object.h	(revision 28697)
+++ runtime/vm/object.h	(working copy)
@@ -1033,24 +1033,24 @@
   enum {
     kConstBit = 0,
     kImplementedBit = 1,
-    kAbstractBit = 2,
-    kPatchBit = 3,
-    kSynthesizedClassBit = 4,
-    kTypeFinalizedBit = 5,
-    kClassFinalizedBits = 6,
+    kTypeFinalizedBit = 2,
+    kClassFinalizedBits = 3,
     kClassFinalizedSize = 2,
+    kAbstractBit = 5,
+    kPatchBit = 6,
+    kSynthesizedClassBit = 7,
     kMarkedForParsingBit = 8,
     kMixinTypedefBit = 9,
     kMixinTypeAppliedBit = 10,
   };
   class ConstBit : public BitField<bool, kConstBit, 1> {};
   class ImplementedBit : public BitField<bool, kImplementedBit, 1> {};
+  class TypeFinalizedBit : public BitField<bool, kTypeFinalizedBit, 1> {};
+  class ClassFinalizedBits : public BitField<RawClass::ClassFinalizedState,
+      kClassFinalizedBits, kClassFinalizedSize> {};  // NOLINT
   class AbstractBit : public BitField<bool, kAbstractBit, 1> {};
   class PatchBit : public BitField<bool, kPatchBit, 1> {};
   class SynthesizedClassBit : public BitField<bool, kSynthesizedClassBit, 1> {};
-  class TypeFinalizedBit : public BitField<bool, kTypeFinalizedBit, 1> {};
-  class ClassFinalizedBits : public BitField<RawClass::ClassFinalizedState,
-      kClassFinalizedBits, kClassFinalizedSize> {};  // NOLINT
   class MarkedForParsingBit : public BitField<bool, kMarkedForParsingBit, 1> {};
   class MixinTypedefBit : public BitField<bool, kMixinTypedefBit, 1> {};
   class MixinTypeAppliedBit : public BitField<bool, kMixinTypeAppliedBit, 1> {};
@@ -1865,35 +1865,35 @@
 
  private:
   enum KindTagBits {
-    kStaticBit = 0,
-    kConstBit = 1,
-    kOptimizableBit = 2,
-    kInlinableBit = 3,
-    kHasFinallyBit = 4,
-    kNativeBit = 5,
+    kKindTagBit = 0,
+    kKindTagSize = 4,
+    kStaticBit = 4,
+    kConstBit = 5,
     kAbstractBit = 6,
-    kExternalBit = 7,
-    kVisibleBit = 8,
-    kIntrinsicBit = 9,
-    kRecognizedBit = 10,
-    kRedirectingBit = 11,
-    kKindTagBit = 12,
-    kKindTagSize = 4,
+    kVisibleBit = 7,
+    kOptimizableBit = 8,
+    kInlinableBit = 9,
+    kIntrinsicBit = 10,
+    kRecognizedBit = 11,
+    kHasFinallyBit = 12,
+    kNativeBit = 13,
+    kRedirectingBit = 14,
+    kExternalBit = 15,
   };
+  class KindBits :
+    public BitField<RawFunction::Kind, kKindTagBit, kKindTagSize> {};  // NOLINT
   class StaticBit : public BitField<bool, kStaticBit, 1> {};
   class ConstBit : public BitField<bool, kConstBit, 1> {};
+  class AbstractBit : public BitField<bool, kAbstractBit, 1> {};
+  class VisibleBit : public BitField<bool, kVisibleBit, 1> {};
   class OptimizableBit : public BitField<bool, kOptimizableBit, 1> {};
   class InlinableBit : public BitField<bool, kInlinableBit, 1> {};
+  class IntrinsicBit : public BitField<bool, kIntrinsicBit, 1> {};
+  class RecognizedBit : public BitField<bool, kRecognizedBit, 1> {};
   class HasFinallyBit : public BitField<bool, kHasFinallyBit, 1> {};
   class NativeBit : public BitField<bool, kNativeBit, 1> {};
-  class AbstractBit : public BitField<bool, kAbstractBit, 1> {};
   class ExternalBit : public BitField<bool, kExternalBit, 1> {};
-  class VisibleBit : public BitField<bool, kVisibleBit, 1> {};
-  class IntrinsicBit : public BitField<bool, kIntrinsicBit, 1> {};
-  class RecognizedBit : public BitField<bool, kRecognizedBit, 1> {};
   class RedirectingBit : public BitField<bool, kRedirectingBit, 1> {};
-  class KindBits :
-    public BitField<RawFunction::Kind, kKindTagBit, kKindTagSize> {};  // NOLINT
 
   void set_name(const String& value) const;
   void set_kind(RawFunction::Kind value) const;