Load getter from map descriptor instead of embedding it in handler.

src/ic/ic.cc

Index: src/ic/ic.cc
diff --git a/src/ic/ic.cc b/src/ic/ic.cc
index 8cd06868c0c3fdd215b87d76ec184bad3307c209..f6fffea5fcf5b28cc4d92ccc6a8f065ff4b57a22 100644
--- a/src/ic/ic.cc
+++ b/src/ic/ic.cc
@@ -1229,7 +1229,9 @@ Handle<Code> LoadIC::CompileHandler(LookupIterator* lookup,
           return compiler.CompileLoadCallback(lookup->name(),
                                               call_optimization);
         }
-        return compiler.CompileLoadViaGetter(lookup->name(), function);
+        int expected_arguments = function->shared()->formal_parameter_count();
+        return compiler.CompileLoadViaGetter(
+            lookup->name(), lookup->GetAccessorIndex(), expected_arguments);
       }
       break;
     }