Add flags to FrameArray

src/objects-inl.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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 2607 matching lines @@
         get(kFirstIndex + frame_ix * kElementsPerFrame + k##name##Offset);    \
     return type::cast(obj);                                                   \
   }                                                                           \
                                                                               \
   void FrameArray::Set##name(int frame_ix, type* value) {                     \
     set(kFirstIndex + frame_ix * kElementsPerFrame + k##name##Offset, value); \
   }
 FRAME_ARRAY_FIELD_LIST(DEFINE_FRAME_ARRAY_ACCESSORS)
 #undef DEFINE_FRAME_ARRAY_ACCESSORS
 
-int FrameArray::SloppyFrameCount() const {
-  return Smi::cast(get(kSloppyFramesIndex))->value();
-}
-
-void FrameArray::SetSloppyFrameCount(int count) {
-  return set(kSloppyFramesIndex, Smi::FromInt(count));
-}
-
 bool FrameArray::IsWasmFrame(int frame_ix) const {
-  Object* obj = get(kFirstIndex + frame_ix * kElementsPerFrame +
-                    kWasmFunctionIndexOffset);
-  return obj->IsSmi();
+  const int flags = Flags(frame_ix)->value();
+  return (flags & kIsWasmFrame) != 0;
 }
 
 int FrameArray::FrameCount() const {
   const int frame_count = Smi::cast(get(kFrameCountIndex))->value();
   DCHECK_LE(0, frame_count);
   return frame_count;
 }
 
 bool DescriptorArray::IsEmpty() {
   DCHECK(length() >= kFirstIndex ||
@@ skipping 5604 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_