mruby-eval: instance_eval should keep target_class; close #3141

mrbgems/mruby-eval/src/eval.c

@@ -247,7 +247,7 @@ f_instance_eval(mrb_state *mrb, mrb_value self)
     cv = mrb_singleton_class(mrb, self);
     c->ci->target_class = mrb_class_ptr(cv);
     proc = create_proc_from_string(mrb, s, len, mrb_nil_value(), file, line);
-    return mrb_top_run(mrb, proc, mrb->c->stack[0], 0);
+    return mrb_vm_run(mrb, proc, mrb->c->stack[0], 0);
   }
   else {
     mrb_get_args(mrb, "&", &b);