Alternative approach to using type feedback for Symbol-keyed properties

src/crankshaft/hydrogen.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_CRANKSHAFT_HYDROGEN_H_
 #define V8_CRANKSHAFT_HYDROGEN_H_
 
 #include "src/accessors.h"
 #include "src/allocation.h"
 #include "src/ast.h"
@@ skipping 2475 matching lines @@
 
   void HandleGlobalVariableAssignment(Variable* var, HValue* value,
                                       FeedbackVectorSlot slot,
                                       BailoutId ast_id);
 
   void HandlePropertyAssignment(Assignment* expr);
   void HandleCompoundAssignment(Assignment* expr);
   void HandlePolymorphicNamedFieldAccess(
       PropertyAccessType access_type, Expression* expr, FeedbackVectorSlot slot,
       BailoutId ast_id, BailoutId return_id, HValue* object, HValue* value,
-      SmallMapList* types, Handle<String> name);
+      SmallMapList* types, Handle<Name> name);
 
   HValue* BuildAllocateExternalElements(
       ExternalArrayType array_type,
       bool is_zero_byte_offset,
       HValue* buffer, HValue* byte_offset, HValue* length);
   HValue* BuildAllocateFixedTypedArray(ExternalArrayType array_type,
                                        size_t element_size,
                                        ElementsKind fixed_elements_kind,
                                        HValue* byte_length, HValue* length,
                                        bool initialize);
@@ skipping 229 matching lines @@
   };
 
   HValue* BuildMonomorphicAccess(PropertyAccessInfo* info, HValue* object,
                                  HValue* checked_object, HValue* value,
                                  BailoutId ast_id, BailoutId return_id,
                                  bool can_inline_accessor = true);
 
   HValue* BuildNamedAccess(PropertyAccessType access, BailoutId ast_id,
                            BailoutId reutrn_id, Expression* expr,
                            FeedbackVectorSlot slot, HValue* object,
-                           Handle<String> name, HValue* value,
+                           Handle<Name> name, HValue* value,
                            bool is_uninitialized = false);
 
   void HandlePolymorphicCallNamed(Call* expr,
                                   HValue* receiver,
                                   SmallMapList* types,
                                   Handle<String> name);
   void HandleLiteralCompareTypeof(CompareOperation* expr,
                                   Expression* sub_expr,
                                   Handle<String> check);
   void HandleLiteralCompareNil(CompareOperation* expr,
@@ skipping 315 matching lines @@
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_HYDROGEN_H_