Turn Function.prototype.bind into a hydrogen stub optimized for the common case

src/objects.h

 // Copyright 2015 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_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/assert-scope.h"
@@ skipping 7451 matching lines @@
 // JSFunction describes JavaScript functions.
 class JSFunction: public JSObject {
  public:
   // [prototype_or_initial_map]:
   DECL_ACCESSORS(prototype_or_initial_map, Object)
 
   // [shared]: The information about the function that
   // can be shared by instances.
   DECL_ACCESSORS(shared, SharedFunctionInfo)
 
+  static const int kLengthDescriptorIndex = 0;
+  static const int kNameDescriptorIndex = 1;
+
   // [context]: The context for this function.
   inline Context* context();
   inline void set_context(Object* context);
   inline JSObject* global_proxy();
   inline Context* native_context();
 
   static Handle<Object> GetName(Isolate* isolate, Handle<JSFunction> function);
   static MaybeHandle<Smi> GetLength(Isolate* isolate,
                                     Handle<JSFunction> function);
   static Handle<Context> GetFunctionRealm(Handle<JSFunction> function);
@@ skipping 3308 matching lines @@
     }
     return value;
   }
 };
 
 
 }  // NOLINT, false-positive due to second-order macros.
 }  // NOLINT, false-positive due to second-order macros.
 
 #endif  // V8_OBJECTS_H_