Replaced Value by Definition in the renaming environment.

runtime/vm/intermediate_language.h

 // 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.
 
 #ifndef VM_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 2864 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(BranchInstr);
 };
 
 
 #undef DECLARE_INSTRUCTION
 
 
 class Environment : public ZoneAllocated {
  public:
-  // Construct an environment by copying from an array of values.
-  explicit Environment(const GrowableArray<Value*>& values,
-                       intptr_t fixed_parameter_count)
-      : values_(values.length()),
-        locations_(NULL),
-        fixed_parameter_count_(fixed_parameter_count) {
-    values_.AddArray(values);
-  }
+  // Construct an environment by constructing uses from an array of definitions.
+  Environment(const GrowableArray<Definition*>& definitions,
+              intptr_t fixed_parameter_count);
 
   void set_locations(Location* locations) {
     ASSERT(locations_ == NULL);
     locations_ = locations;
   }
 
   const GrowableArray<Value*>& values() const {
     return values_;
   }
 
@@ skipping 61 matching lines @@
   ForwardInstructionIterator* current_iterator_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_