Turn keyed loads with string-based (non-convertible to array-index) key into named loads

src/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_HYDROGEN_H_
 #define V8_HYDROGEN_H_
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 2629 matching lines @@
 
   HValue* HandlePolymorphicElementAccess(Expression* expr,
                                          HValue* object,
                                          HValue* key,
                                          HValue* val,
                                          SmallMapList* maps,
                                          PropertyAccessType access_type,
                                          KeyedAccessStoreMode store_mode,
                                          bool* has_side_effects);
 
-  HValue* HandleKeyedElementAccess(HValue* obj,
-                                   HValue* key,
-                                   HValue* val,
-                                   Expression* expr,
+  HValue* HandleKeyedElementAccess(HValue* obj, HValue* key, HValue* val,
+                                   Expression* expr, BailoutId return_id,
                                    PropertyAccessType access_type,
                                    bool* has_side_effects);
 
   HInstruction* BuildNamedGeneric(PropertyAccessType access,
                                   Expression* expr,
                                   HValue* object,
                                   Handle<String> name,
                                   HValue* value,
                                   bool is_uninitialized = false);
 
@@ skipping 264 matching lines @@
   }
 
  private:
   HGraphBuilder* builder_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_