[parser] Delete has_seen_proto in ObjectLiteral.

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 1384 matching lines @@
   bool may_store_doubles() const {
     return MayStoreDoublesField::decode(bit_field_);
   }
   bool has_elements() const { return HasElementsField::decode(bit_field_); }
   bool has_shallow_properties() const {
     return depth() == 1 && !has_elements() && !may_store_doubles();
   }
   bool has_rest_property() const {
     return HasRestPropertyField::decode(bit_field_);
   }
-  bool has_seen_proto() const {
-    return HasSeenProtoPropertyField::decode(bit_field_);
-  }
 
   // Decide if a property should be in the object boilerplate.
   static bool IsBoilerplateProperty(Property* property);
 
   // Populate the depth field and flags.
   void InitDepthAndFlags();
 
   // Get the constant properties fixed array, populating it if necessary.
   Handle<FixedArray> GetOrBuildConstantProperties(Isolate* isolate) {
     if (constant_properties_.is_null()) {
@@ skipping 51 matching lines @@
 
   // Object literals need one feedback slot for each non-trivial value, as well
   // as some slots for home objects.
   void AssignFeedbackVectorSlots(FeedbackVectorSpec* spec,
                                  FeedbackVectorSlotCache* cache);
 
  private:
   friend class AstNodeFactory;
 
   ObjectLiteral(ZoneList<Property*>* properties, int literal_index,
-                uint32_t boilerplate_properties, bool has_seen_proto, int pos,
+                uint32_t boilerplate_properties, int pos,
                 bool has_rest_property)
       : MaterializedLiteral(literal_index, pos, kObjectLiteral),
         boilerplate_properties_(boilerplate_properties),
         properties_(properties) {
     bit_field_ |= FastElementsField::encode(false) |
                   HasElementsField::encode(false) |
                   MayStoreDoublesField::encode(false) |
-                  HasRestPropertyField::encode(has_rest_property) |
-                  HasSeenProtoPropertyField::encode(has_seen_proto);
+                  HasRestPropertyField::encode(has_rest_property);
   }
 
   static int parent_num_ids() { return MaterializedLiteral::num_ids(); }
   int local_id(int n) const { return base_id() + parent_num_ids() + n; }
 
   uint32_t boilerplate_properties_;
   Handle<FixedArray> constant_properties_;
   ZoneList<Property*>* properties_;
 
   class FastElementsField
       : public BitField<bool, MaterializedLiteral::kNextBitFieldIndex, 1> {};
   class HasElementsField : public BitField<bool, FastElementsField::kNext, 1> {
   };
   class MayStoreDoublesField
       : public BitField<bool, HasElementsField::kNext, 1> {};
   class HasRestPropertyField
       : public BitField<bool, MayStoreDoublesField::kNext, 1> {};
-  class HasSeenProtoPropertyField
-      : public BitField<bool, HasRestPropertyField::kNext, 1> {};
 };
 
 
 // A map from property names to getter/setter pairs allocated in the zone.
 class AccessorTable
     : public base::TemplateHashMap<Literal, ObjectLiteral::Accessors,
                                    bool (*)(void*, void*),
                                    ZoneAllocationPolicy> {
  public:
   explicit AccessorTable(Zone* zone)
@@ skipping 1818 matching lines @@
   Literal* NewUndefinedLiteral(int pos) {
     return new (zone_) Literal(ast_value_factory_->NewUndefined(), pos);
   }
 
   Literal* NewTheHoleLiteral(int pos) {
     return new (zone_) Literal(ast_value_factory_->NewTheHole(), pos);
   }
 
   ObjectLiteral* NewObjectLiteral(
       ZoneList<ObjectLiteral::Property*>* properties, int literal_index,
-      uint32_t boilerplate_properties, bool has_seen_proto, int pos,
-      bool has_rest_property) {
+      uint32_t boilerplate_properties, int pos, bool has_rest_property) {
     return new (zone_)
-        ObjectLiteral(properties, literal_index, boilerplate_properties,
-                      has_seen_proto, pos, has_rest_property);
+        ObjectLiteral(properties, literal_index, boilerplate_properties, pos,
+                      has_rest_property);
   }
 
   ObjectLiteral::Property* NewObjectLiteralProperty(
       Expression* key, Expression* value, ObjectLiteralProperty::Kind kind,
       bool is_computed_name) {
     return new (zone_)
         ObjectLiteral::Property(key, value, kind, is_computed_name);
   }
 
   ObjectLiteral::Property* NewObjectLiteralProperty(Expression* key,
@@ skipping 294 matching lines @@
                                     : NULL;                                   \
   }
 AST_NODE_LIST(DECLARE_NODE_FUNCTIONS)
 #undef DECLARE_NODE_FUNCTIONS
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_AST_AST_H_