diff options
Diffstat (limited to 'class.c')
-rw-r--r-- | class.c | 3 |
1 files changed, 3 insertions, 0 deletions
@@ -854,6 +854,9 @@ ensure_includable(VALUE klass, VALUE module) { rb_frozen_class_p(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"); + } OBJ_INFECT(klass, module); } |