Trace through const objects instead of spying on flow graph construction to find closure functions.…

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 "vm/atomic.h"
@@ skipping 611 matching lines @@
 
   RawGrowableObjectArray* tag_table() const { return tag_table_; }
   void set_tag_table(const GrowableObjectArray& value);
 
   RawUserTag* current_tag() const { return current_tag_; }
   void set_current_tag(const UserTag& tag);
 
   RawUserTag* default_tag() const { return default_tag_; }
   void set_default_tag(const UserTag& tag);
 
-  RawGrowableObjectArray* collected_closures() const {
-    return collected_closures_;
-  }
-  void set_collected_closures(const GrowableObjectArray& value);
-
   RawGrowableObjectArray* background_compilation_queue() const {
     return background_compilation_queue_;
   }
   void set_background_compilation_queue(const GrowableObjectArray& value);
 
   Metric* metrics_list_head() {
     return metrics_list_head_;
   }
 
   void set_metrics_list_head(Metric* metric) {
@@ skipping 174 matching lines @@
   // Trace buffer support.
   TraceBuffer* trace_buffer_;
 
   IsolateProfilerData* profiler_data_;
   Mutex profiler_data_mutex_;
 
   VMTagCounters vm_tag_counters_;
   RawGrowableObjectArray* tag_table_;
 
 
-  RawGrowableObjectArray* collected_closures_;
   RawGrowableObjectArray* deoptimized_code_array_;
   RawGrowableObjectArray* background_compilation_queue_;
 
   // We use 6 list entries for each pending service extension calls.
   enum {
     kPendingHandlerIndex = 0,
     kPendingMethodNameIndex,
     kPendingKeysIndex,
     kPendingValuesIndex,
     kPendingReplyPortIndex,
@@ skipping 210 matching lines @@
   uint8_t* serialized_message_;
   intptr_t serialized_message_len_;
   Isolate::Flags isolate_flags_;
   bool paused_;
   bool errors_are_fatal_;
 };
 
 }  // namespace dart
 
 #endif  // VM_ISOLATE_H_