Change heuristic to determine which fields contain modifieable double boxes: do it if field was ini…

runtime/vm/intermediate_language.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_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 317 matching lines @@
   }
 
   CompileType* Type();
 
   void SetReachingType(CompileType* type) {
     reaching_type_ = type;
   }
 
   void PrintTo(BufferFormatter* f) const;
 
+  const char* ToCString() const;
+
   const char* DebugName() const { return "Value"; }
 
   bool IsSmiValue() { return Type()->ToCid() == kSmiCid; }
 
   // Returns true if this value binds to the constant: 0xFFFFFFFF.
   bool BindsTo32BitMaskConstant() const;
 
   // Return true if the value represents a constant.
   bool BindsToConstant() const;
 
@@ skipping 7751 matching lines @@
   LocationSummary* Name::MakeLocationSummary(Zone* zone, bool opt) const {    \
     UNIMPLEMENTED();                                                          \
     return NULL;                                                              \
   }                                                                           \
   void Name::EmitNativeCode(FlowGraphCompiler* compiler) { UNIMPLEMENTED(); }
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_