Fixes bug where we would occasionally materialize a corrupted object.

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 4182 matching lines @@
   }
 
   virtual bool CanDeoptimize() const { return false; }
   virtual EffectSet Effects() const { return EffectSet::None(); }
 
   Location* locations() { return locations_; }
   void set_locations(Location* locations) { locations_ = locations; }
 
   virtual bool MayThrow() const { return false; }
 
+  void RemapRegisters(intptr_t* fpu_reg_slots,
+                      intptr_t* cpu_reg_slots);
+
  private:
   virtual void RawSetInputAt(intptr_t i, Value* value) {
     (*values_)[i] = value;
   }
 
   const Class& cls_;
   const ZoneGrowableArray<const Object*>& slots_;
   ZoneGrowableArray<Value*>* values_;
   Location* locations_;
 
@@ skipping 3500 matching lines @@
   }
 
   const Code& code() const { return code_; }
 
   Environment* DeepCopy() const { return DeepCopy(Length()); }
 
   void DeepCopyTo(Instruction* instr) const;
   void DeepCopyToOuter(Instruction* instr) const;
 
   void PrintTo(BufferFormatter* f) const;
+  const char* ToCString() const;
 
  private:
   friend class ShallowIterator;
 
   Environment(intptr_t length,
               intptr_t fixed_parameter_count,
               intptr_t deopt_id,
               const Code& code,
               Environment* outer)
       : values_(length),
@@ skipping 49 matching lines @@
   ForwardInstructionIterator* current_iterator_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_