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

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 27b832d4f566c3a95017241e88218e44c7328ac6..8fc374fdb173cb8a723df7ac6a9c766c3a730d19 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -7469,6 +7469,9 @@ class JSFunction: public JSObject {
   // 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);