Revert async changes.

runtime/vm/object.cc

 // 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.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 5407 matching lines @@
 void Function::set_parameter_names(const Array& value) const {
   StorePointer(&raw_ptr()->parameter_names_, value.raw());
 }
 
 
 void Function::set_kind(RawFunction::Kind value) const {
   set_kind_tag(KindBits::update(value, raw_ptr()->kind_tag_));
 }
 
 
-void Function::set_modifier(RawFunction::AsyncModifier value) const {
-  set_kind_tag(ModifierBits::update(value, raw_ptr()->kind_tag_));
-}
-
-
 void Function::set_is_intrinsic(bool value) const {
   set_kind_tag(IntrinsicBit::update(value, raw_ptr()->kind_tag_));
 }
 
 
 void Function::set_is_recognized(bool value) const {
   set_kind_tag(RecognizedBit::update(value, raw_ptr()->kind_tag_));
 }
 
 
@@ skipping 10 matching lines @@
 void Function::set_is_const(bool value) const {
   set_kind_tag(ConstBit::update(value, raw_ptr()->kind_tag_));
 }
 
 
 void Function::set_is_external(bool value) const {
   set_kind_tag(ExternalBit::update(value, raw_ptr()->kind_tag_));
 }
 
 
-void Function::set_is_async_closure(bool value) const {
-  set_kind_tag(AsyncClosureBit::update(value, raw_ptr()->kind_tag_));
-}
-
-
 void Function::set_token_pos(intptr_t value) const {
   ASSERT(value >= 0);
   raw_ptr()->token_pos_ = value;
 }
 
 
 void Function::set_kind_tag(intptr_t value) const {
-  raw_ptr()->kind_tag_ = static_cast<uint32_t>(value);
+  raw_ptr()->kind_tag_ = static_cast<uint16_t>(value);
 }
 
 
 void Function::set_num_fixed_parameters(intptr_t value) const {
   ASSERT(value >= 0);
   ASSERT(Utils::IsInt(16, value));
   raw_ptr()->num_fixed_parameters_ = static_cast<int16_t>(value);
 }
 
 
@@ skipping 569 matching lines @@
                            bool is_external,
                            bool is_native,
                            const Object& owner,
                            intptr_t token_pos) {
   ASSERT(!owner.IsNull());
   const Function& result = Function::Handle(Function::New());
   result.set_parameter_types(Object::empty_array());
   result.set_parameter_names(Object::empty_array());
   result.set_name(name);
   result.set_kind(kind);
-  result.set_modifier(RawFunction::kNoModifier);
   result.set_is_static(is_static);
   result.set_is_const(is_const);
   result.set_is_abstract(is_abstract);
   result.set_is_external(is_external);
   result.set_is_native(is_native);
   result.set_is_visible(true);  // Will be computed later.
   result.set_is_intrinsic(false);
   result.set_is_recognized(false);
   result.set_is_redirecting(false);
-  result.set_is_async_closure(false);
   result.set_owner(owner);
   result.set_token_pos(token_pos);
   result.set_end_token_pos(token_pos);
   result.set_num_fixed_parameters(0);
   result.set_num_optional_parameters(0);
   result.set_usage_counter(0);
   result.set_deoptimization_counter(0);
   result.set_optimized_instruction_count(0);
   result.set_optimized_call_site_count(0);
   result.set_is_optimizable(is_native ? false : true);
@@ skipping 13278 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 
 }  // namespace dart