1 files changed, 2 insertions, 0 deletions
diff --git a/vm_core.h b/vm_core.h
index 0ae55cefac..03f6d816c3 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -863,6 +863,8 @@ void rb_gc_mark_machine_stack(rb_thread_t *th);
 
 int rb_autoloading_value(VALUE mod, ID id, VALUE* value);
 
+void rb_vm_rewrite_cref_stack(NODE *node, VALUE old_klass, VALUE new_klass, NODE **new_cref_ptr);
+
 #define sysstack_error GET_VM()->special_exceptions[ruby_error_sysstack]
 
 #define CHECK_VM_STACK_OVERFLOW(cfp, margin) do \