1 files changed, 1 insertions, 0 deletions
diff --git a/vm_core.h b/vm_core.h
index 0120f21831..d5e18ba489 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -550,6 +550,7 @@ enum ruby_basic_operators {
     BOP_LENGTH,
     BOP_SIZE,
     BOP_EMPTY_P,
+    BOP_NIL_P,
     BOP_SUCC,
     BOP_GT,
     BOP_GE,