Introduce DefineOwnPropertyIgnoreAttributes and make it call SetPropertyWithInterceptor

src/runtime/runtime-classes.cc

Index: src/runtime/runtime-classes.cc
diff --git a/src/runtime/runtime-classes.cc b/src/runtime/runtime-classes.cc
index fe76dfa0dd2564c9787cb9d806084cb74eea4f23..f47abb5b28ea9a46b753b08bd60daf4ea91b7bde 100644
--- a/src/runtime/runtime-classes.cc
+++ b/src/runtime/runtime-classes.cc
@@ -200,8 +200,9 @@ RUNTIME_FUNCTION(Runtime_DefineClassMethod) {
   CONVERT_ARG_HANDLE_CHECKED(Name, name, 1);
   CONVERT_ARG_HANDLE_CHECKED(JSFunction, function, 2);
 
-  RETURN_FAILURE_ON_EXCEPTION(isolate, JSObject::DefinePropertyOrElement(
-                                           object, name, function, DONT_ENUM));
+  RETURN_FAILURE_ON_EXCEPTION(isolate,
+                              JSObject::DefinePropertyOrElementIgnoreAttributes(
+                                  object, name, function, DONT_ENUM));
   return isolate->heap()->undefined_value();
 }