1 files changed, 1 insertions, 0 deletions
diff --git a/node.h b/node.h
index 4040d07b6c..fefb15fe48 100644
--- a/node.h
+++ b/node.h
@@ -470,6 +470,7 @@ typedef struct node_buffer_struct node_buffer_t;
 typedef struct rb_ast_body_struct {
     const NODE *root;
     VALUE compile_option;
+    int line_count;
 } rb_ast_body_t;
 typedef struct rb_ast_struct {
     VALUE flags;