Remove Object::IsSpecObject, use Object::IsJSReceiver instead.

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 172 matching lines @@
   return Object::IsHeapObject() && HeapObject::cast(this)->map()->is_callable();
 }
 
 
 bool Object::IsConstructor() const {
   return Object::IsHeapObject() &&
          HeapObject::cast(this)->map()->is_constructor();
 }
 
 
-bool Object::IsSpecObject() const {
-  return Object::IsHeapObject()
-    && HeapObject::cast(this)->map()->instance_type() >= FIRST_JS_RECEIVER_TYPE;
-}
-
-
 bool Object::IsTemplateInfo() const {
   return IsObjectTemplateInfo() || IsFunctionTemplateInfo();
 }
 
 
 bool Object::IsInternalizedString() const {
   if (!this->IsHeapObject()) return false;
   uint32_t type = HeapObject::cast(this)->map()->instance_type();
   STATIC_ASSERT(kNotInternalizedTag != 0);
   return (type & (kIsNotStringMask | kIsNotInternalizedMask)) ==
@@ skipping 2154 matching lines @@
 
   String* str = String::cast(js_value->value());
   if (index >= static_cast<uint32_t>(str->length())) return false;
 
   return true;
 }
 
 
 void Object::VerifyApiCallResultType() {
 #if DEBUG
-  if (!(IsSmi() || IsString() || IsSymbol() || IsSpecObject() ||
+  if (!(IsSmi() || IsString() || IsSymbol() || IsJSReceiver() ||
         IsHeapNumber() || IsSimd128Value() || IsUndefined() || IsTrue() ||
         IsFalse() || IsNull())) {
     FATAL("API call returned invalid object");
   }
 #endif  // DEBUG
 }
 
 
 Object* FixedArray::get(int index) const {
   SLOW_DCHECK(index >= 0 && index < this->length());
@@ skipping 5478 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_