1 files changed, 1 insertions, 1 deletions
diff --git a/vm.c b/vm.c
index 6039daef05..793b9fd30a 100644
--- a/vm.c
+++ b/vm.c
@@ -96,7 +96,7 @@ vm_set_eval_stack(rb_thread_t * th, VALUE iseqval, const NODE *cref)
     }
 }
 
-static rb_control_frame_t *
+rb_control_frame_t *
 vm_get_ruby_level_next_cfp(rb_thread_t *th, rb_control_frame_t *cfp)
 {
     while (!RUBY_VM_CONTROL_FRAME_STACK_OVERFLOW_P(th, cfp)) {