[V8] Unify get function name for debugging purpose

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 89ebdd7675d15231a601e285b7bfaed19e52013b..821c36bdfe86bed69bc567a5691cddcfcbe5a04c 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -11925,7 +11925,10 @@ bool JSFunction::PassesFilter(const char* raw_filter) {
 
 Handle<String> JSFunction::GetDebugName(Handle<JSFunction> function) {
   Isolate* isolate = function->GetIsolate();
-  Handle<Object> name =
+  Handle<Object> name = JSReceiver::GetDataProperty(
+      function, isolate->factory()->display_name_string());
+  if (name->IsString()) return Handle<String>::cast(name);
+  name =
       JSReceiver::GetDataProperty(function, isolate->factory()->name_string());
   if (name->IsString()) return Handle<String>::cast(name);
   return handle(function->shared()->DebugName(), isolate);