[generators] Remove full-codegen implementation of yield*.

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/assembler.h"
 #include "src/ast/ast-value-factory.h"
 #include "src/ast/modules.h"
@@ skipping 2568 matching lines @@
     kFinal        // A return: { value: EXPRESSION, done: true }
   };
 
   Expression* generator_object() const { return generator_object_; }
   Expression* expression() const { return expression_; }
   Kind yield_kind() const { return yield_kind_; }
 
   void set_generator_object(Expression* e) { generator_object_ = e; }
   void set_expression(Expression* e) { expression_ = e; }
 
-  // Type feedback information.
-  bool HasFeedbackSlots() const { return yield_kind() == kDelegating; }
-  void AssignFeedbackVectorSlots(Isolate* isolate, FeedbackVectorSpec* spec,
-                                 FeedbackVectorSlotCache* cache) override {
-    if (HasFeedbackSlots()) {
-      yield_first_feedback_slot_ = spec->AddKeyedLoadICSlot();
-      keyed_load_feedback_slot_ = spec->AddLoadICSlot();
-      done_feedback_slot_ = spec->AddLoadICSlot();
-    }
-  }
-
-  FeedbackVectorSlot KeyedLoadFeedbackSlot() {
-    DCHECK(!HasFeedbackSlots() || !yield_first_feedback_slot_.IsInvalid());
-    return yield_first_feedback_slot_;
-  }
-
-  FeedbackVectorSlot DoneFeedbackSlot() { return keyed_load_feedback_slot_; }
-
-  FeedbackVectorSlot ValueFeedbackSlot() { return done_feedback_slot_; }
-
  protected:
   Yield(Zone* zone, Expression* generator_object, Expression* expression,
         Kind yield_kind, int pos)
       : Expression(zone, pos),
         generator_object_(generator_object),
         expression_(expression),
         yield_kind_(yield_kind) {}
 
  private:
   Expression* generator_object_;
   Expression* expression_;
   Kind yield_kind_;
-  FeedbackVectorSlot yield_first_feedback_slot_;
-  FeedbackVectorSlot keyed_load_feedback_slot_;
-  FeedbackVectorSlot done_feedback_slot_;
 };
 
 
 class Throw final : public Expression {
  public:
   DECLARE_NODE_TYPE(Throw)
 
   Expression* exception() const { return exception_; }
   void set_exception(Expression* e) { exception_ = e; }
 
@@ skipping 925 matching lines @@
   // the parser-level zone.
   Zone* parser_zone_;
   AstValueFactory* ast_value_factory_;
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_AST_AST_H_