Combine typed and pixel arrays.

src/ast.h

Index: src/ast.h
diff --git a/src/ast.h b/src/ast.h
index 2aee5d72a4e10bbf830b3bd405abda681df79f0b..427993525e3f2a5f620428ffde4057e7c102a2ad 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -1232,6 +1232,11 @@ class Property: public Expression {
   }
   bool is_arguments_access() const { return is_arguments_access_; }
 
+  ExternalArrayType GetExternalArrayType() const { return array_type_; }
+  void SetExternalArrayType(ExternalArrayType array_type) {
+    array_type_ = array_type;
+  }
+
   // Type feedback information.
   void RecordTypeFeedback(TypeFeedbackOracle* oracle);
   virtual bool IsMonomorphic() { return is_monomorphic_; }
@@ -1258,6 +1263,7 @@ class Property: public Expression {
   bool is_function_prototype_ : 1;
   bool is_arguments_access_ : 1;
   Handle<Map> monomorphic_receiver_type_;
+  ExternalArrayType array_type_;
 
   // Dummy property used during preparsing.
   static Property this_property_;
@@ -1621,6 +1627,10 @@ class Assignment: public Expression {
   virtual Handle<Map> GetMonomorphicReceiverType() {
     return monomorphic_receiver_type_;
   }
+  ExternalArrayType GetExternalArrayType() const { return array_type_; }
+  void SetExternalArrayType(ExternalArrayType array_type) {
+    array_type_ = array_type;
+  }
 
   // Bailout support.
   int CompoundLoadId() const { return compound_load_id_; }
@@ -1641,6 +1651,7 @@ class Assignment: public Expression {
   bool is_monomorphic_;
   ZoneMapList* receiver_types_;
   Handle<Map> monomorphic_receiver_type_;
+  ExternalArrayType array_type_;
 };