WIP: type profiling.

src/ast/ast.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_AST_AST_H_
 #define V8_AST_AST_H_
 
 #include "src/ast/ast-types.h"
 #include "src/ast/ast-value-factory.h"
 #include "src/ast/modules.h"
@@ skipping 2422 matching lines @@
     bit_field_ = KeyTypeField::update(bit_field_, key_type);
   }
   void set_store_mode(KeyedAccessStoreMode mode) {
     bit_field_ = StoreModeField::update(bit_field_, mode);
   }
 
   void AssignFeedbackSlots(FeedbackVectorSpec* spec, LanguageMode language_mode,
                            FeedbackSlotCache* cache);
   FeedbackSlot AssignmentSlot() const { return slot_; }
 
+  FeedbackSlot CollectTypeProfileSlot() const {
+    return collect_type_profile_slot_;
+  }
+
  private:
   friend class AstNodeFactory;
 
   Assignment(Token::Value op, Expression* target, Expression* value, int pos);
 
   static int parent_num_ids() { return Expression::num_ids(); }
   int local_id(int n) const { return base_id() + parent_num_ids() + n; }
 
   class IsUninitializedField
       : public BitField<bool, Expression::kNextBitFieldIndex, 1> {};
   class KeyTypeField
       : public BitField<IcCheckType, IsUninitializedField::kNext, 1> {};
   class StoreModeField
       : public BitField<KeyedAccessStoreMode, KeyTypeField::kNext, 3> {};
   class TokenField : public BitField<Token::Value, StoreModeField::kNext, 7> {};
 
   FeedbackSlot slot_;
+  FeedbackSlot collect_type_profile_slot_;
   Expression* target_;
   Expression* value_;
   BinaryOperation* binary_operation_;
   SmallMapList receiver_types_;
 };
 
 
 // The RewritableExpression class is a wrapper for AST nodes that wait
 // for some potential rewriting.  However, even if such nodes are indeed
 // rewritten, the RewritableExpression wrapper nodes will survive in the
@@ skipping 1195 matching lines @@
                                     : NULL;                                   \
   }
 AST_NODE_LIST(DECLARE_NODE_FUNCTIONS)
 #undef DECLARE_NODE_FUNCTIONS
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_AST_AST_H_