Cherry pick additional write barrier on mruby method alias

Cherry pick mruby/mruby@e323cd0. See: mruby/mruby#5534 (comment).
artichoke · Sep 6, 2021 · 0a9e472 · 0a9e472
1 parent 78a031c
commit 0a9e472
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/artichoke-backend/vendor/mruby/src/class.c b/artichoke-backend/vendor/mruby/src/class.c
@@ -2210,6 +2210,7 @@ mrb_alias_method(mrb_state *mrb, struct RClass *c, mrb_sym a, mrb_sym b)
       }
       p->e.env = e;
       p->flags |= MRB_PROC_ENVSET;
+      mrb_field_write_barrier(mrb, (struct RBasic*)p, (struct RBasic*)e);
     }
   }
   mrb_define_method_raw(mrb, c, a, m);