1 files changed, 1 insertions, 0 deletions
diff --git a/vm_core.h b/vm_core.h
index ab5240ed30..4451cb3fa9 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -162,6 +162,7 @@ struct iseq_compile_data {
     struct iseq_compile_data_storage *storage_current;
     int last_line;
     int flip_cnt;
+    int label_no;
     int node_level;
     const rb_compile_option_t *option;
 };