Add result cid to StringFromCharCode.

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 2687 matching lines @@
 
  private:
   const intptr_t class_id_;
 
   DISALLOW_COPY_AND_ASSIGN(StringCharCodeAtInstr);
 };
 
 
 class StringFromCharCodeInstr : public TemplateDefinition<1> {
  public:
-  explicit StringFromCharCodeInstr(Value* char_code) {
+  explicit StringFromCharCodeInstr(Value* char_code,
+                                   intptr_t cid) : cid_(cid) {
     ASSERT(char_code != NULL);
     ASSERT(char_code->definition()->IsStringCharCodeAt() &&
            (char_code->definition()->AsStringCharCodeAt()->class_id() ==
             kOneByteStringCid));
     inputs_[0] = char_code;
   }
 
   DECLARE_INSTRUCTION(StringFromCharCode)
   virtual RawAbstractType* CompileType() const;
 
   Value* char_code() const { return inputs_[0]; }
 
   virtual bool CanDeoptimize() const { return false; }
 
   virtual bool HasSideEffect() const { return false; }
 
-  virtual intptr_t ResultCid() const;
+  virtual intptr_t ResultCid() const {  return cid_; }
 
   virtual bool AttributesEqual(Instruction* other) const { return true; }
 
   virtual bool AffectedBySideEffect() const { return false; }
 
  private:
+  const intptr_t cid_;
+
   DISALLOW_COPY_AND_ASSIGN(StringFromCharCodeInstr);
 };
 
 
 class LoadIndexedInstr : public TemplateDefinition<2> {
  public:
   LoadIndexedInstr(Value* array, Value* index, intptr_t class_id)
       : class_id_(class_id) {
     ASSERT(array != NULL);
     ASSERT(index != NULL);
@@ skipping 1552 matching lines @@
   ForwardInstructionIterator* current_iterator_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_