diff options
Diffstat (limited to 'class.c')
-rw-r--r-- | class.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -852,7 +852,7 @@ static int include_modules_at(const VALUE klass, VALUE c, VALUE module, int sear static void ensure_includable(VALUE klass, VALUE module) { - rb_frozen_class_p(klass); + rb_class_modify_check(klass); Check_Type(module, T_MODULE); if (!NIL_P(rb_refinement_module_get_refined_class(module))) { rb_raise(rb_eArgError, "refinement module is not allowed"); |