Mark optimized code that used CHA for optimization so that lazy class 'finalization' does not inval…

runtime/vm/isolate.h

 // Copyright (c) 2013, 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.
 
 #ifndef VM_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/thread.h"
@@ skipping 95 matching lines @@
     return OFFSET_OF(Isolate, store_buffer_);
   }
 
   ClassTable* class_table() { return &class_table_; }
   static intptr_t class_table_offset() {
     return OFFSET_OF(Isolate, class_table_);
   }
 
   ObjectHistogram* object_histogram() { return object_histogram_; }
 
+  bool cha_used() const { return cha_used_; }
+  void set_cha_used(bool value) { cha_used_ = value; }
+
   MegamorphicCacheTable* megamorphic_cache_table() {
     return &megamorphic_cache_table_;
   }
 
   Dart_MessageNotifyCallback message_notify_callback() const {
     return message_notify_callback_;
   }
   void set_message_notify_callback(Dart_MessageNotifyCallback value) {
     message_notify_callback_ = value;
   }
@@ skipping 324 matching lines @@
   GcPrologueCallbacks gc_prologue_callbacks_;
   GcEpilogueCallbacks gc_epilogue_callbacks_;
   intptr_t defer_finalization_count_;
   DeoptContext* deopt_context_;
 
   // Status support.
   char* stacktrace_;
   intptr_t stack_frame_index_;
   ObjectHistogram* object_histogram_;
 
+  bool cha_used_;

[Florian Schneider, 2014/02/05 10:36:31]

The bool variables should be grouped together so that they occupy less space.

+
   // Ring buffer of objects assigned an id.
   ObjectIdRing* object_id_ring_;
 
   IsolateProfilerData* profiler_data_;
   Mutex profiler_data_mutex_;
 
   // Reusable handles support.
 #define REUSABLE_HANDLE_FIELDS(object)                                         \
   object* object##_handle_;                                                    \
 
@@ skipping 107 matching lines @@
   char* script_url_;
   char* library_url_;
   char* class_name_;
   char* function_name_;
   char* exception_callback_name_;
 };
 
 }  // namespace dart
 
 #endif  // VM_ISOLATE_H_