1 files changed, 3 insertions, 0 deletions
diff --git a/vm_core.h b/vm_core.h
index d44bd25298..df186a0b58 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -220,6 +220,9 @@ struct rb_iseq_struct {
     int arg_post_start;
     int arg_size;
     VALUE *arg_opt_table;
+    int arg_keyword;
+    int arg_keywords;
+    ID *arg_keyword_table;
 
     size_t stack_max; /* for stack overflow check */