super class error formats the superclass by inspect; rerf #3515

mruby · Mar 19, 2017 · 527dcd5 · 527dcd5
1 parent ef105b5
commit 527dcd5
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/class.c b/src/class.c
@@ -267,7 +267,8 @@ mrb_vm_define_class(mrb_state *mrb, mrb_value outer, mrb_value super, mrb_sym id
 
   if (!mrb_nil_p(super)) {
     if (mrb_type(super) != MRB_TT_CLASS) {
-      mrb_raisef(mrb, E_TYPE_ERROR, "superclass must be a Class (%S given)", super);
+      mrb_raisef(mrb, E_TYPE_ERROR, "superclass must be a Class (%S given)",
+                 mrb_inspect(mrb, super));
     }
     s = mrb_class_ptr(super);
   }