Fix PathTracer.

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 3655 matching lines @@
   double* ptr = static_cast<double*>(external_pointer());
   ptr[index] = value;
 }
 
 
 void* FixedTypedArrayBase::DataPtr() {
   return FIELD_ADDR(this, kDataOffset);
 }
 
 
-int FixedTypedArrayBase::DataSize() {
-  InstanceType instance_type = map()->instance_type();
+int FixedTypedArrayBase::DataSize(InstanceType type) {
   int element_size;
-  switch (instance_type) {
+  switch (type) {
 #define TYPED_ARRAY_CASE(Type, type, TYPE, ctype, size)                       \
     case FIXED_##TYPE##_ARRAY_TYPE:                                           \
       element_size = size;                                                    \
       break;
 
     TYPED_ARRAYS(TYPED_ARRAY_CASE)
 #undef TYPED_ARRAY_CASE
     default:
       UNREACHABLE();
       return 0;
   }
   return length() * element_size;
 }
 
 
+int FixedTypedArrayBase::DataSize() {
+  return DataSize(map()->instance_type());
+}
+
+
 int FixedTypedArrayBase::size() {
   return OBJECT_POINTER_ALIGN(kDataOffset + DataSize());
 }
 
 
+int FixedTypedArrayBase::TypedArraySize(InstanceType type) {
+  return OBJECT_POINTER_ALIGN(kDataOffset + DataSize(type));
+}
+
+
 uint8_t Uint8ArrayTraits::defaultValue() { return 0; }
 
 
 uint8_t Uint8ClampedArrayTraits::defaultValue() { return 0; }
 
 
 int8_t Int8ArrayTraits::defaultValue() { return 0; }
 
 
 uint16_t Uint16ArrayTraits::defaultValue() { return 0; }
@@ skipping 201 matching lines @@
   index -= inobject_properties();
   ASSERT(index < 0);
   return instance_size() + (index * kPointerSize);
 }
 
 
 int HeapObject::SizeFromMap(Map* map) {
   int instance_size = map->instance_size();
   if (instance_size != kVariableSizeSentinel) return instance_size;
   // Only inline the most frequent cases.
-  int instance_type = static_cast<int>(map->instance_type());
+  InstanceType instance_type = map->instance_type();
   if (instance_type == FIXED_ARRAY_TYPE) {
     return FixedArray::BodyDescriptor::SizeOf(map, this);
   }
   if (instance_type == ASCII_STRING_TYPE ||
       instance_type == ASCII_INTERNALIZED_STRING_TYPE) {
     return SeqOneByteString::SizeFor(
         reinterpret_cast<SeqOneByteString*>(this)->length());
   }
   if (instance_type == BYTE_ARRAY_TYPE) {
     return reinterpret_cast<ByteArray*>(this)->ByteArraySize();
@@ skipping 12 matching lines @@
   }
   if (instance_type == CONSTANT_POOL_ARRAY_TYPE) {
     return ConstantPoolArray::SizeFor(
         reinterpret_cast<ConstantPoolArray*>(this)->count_of_int64_entries(),
         reinterpret_cast<ConstantPoolArray*>(this)->count_of_code_ptr_entries(),
         reinterpret_cast<ConstantPoolArray*>(this)->count_of_heap_ptr_entries(),
         reinterpret_cast<ConstantPoolArray*>(this)->count_of_int32_entries());
   }
   if (instance_type >= FIRST_FIXED_TYPED_ARRAY_TYPE &&
       instance_type <= LAST_FIXED_TYPED_ARRAY_TYPE) {
-    return reinterpret_cast<FixedTypedArrayBase*>(this)->size();
+    return reinterpret_cast<FixedTypedArrayBase*>(
+        this)->TypedArraySize(instance_type);
   }
   ASSERT(instance_type == CODE_TYPE);
   return reinterpret_cast<Code*>(this)->CodeSize();
 }
 
 
 void Map::set_instance_size(int value) {
   ASSERT_EQ(0, value & (kPointerSize - 1));
   value >>= kPointerSizeLog2;
   ASSERT(0 <= value && value < 256);
@@ skipping 2880 matching lines @@
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_