From 243842f68a97a34a36a7e8c690efe7e18bf81e91 Mon Sep 17 00:00:00 2001
From: ktsj <ktsj@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 20 Apr 2019 03:37:22 +0000
Subject: Avoid usage of the dummy empty BEGIN node

Use NODE_SPECIAL_NO_NAME_REST instead.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67629 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 node.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'node.c')

diff --git a/node.c b/node.c
index eb88efc61a..323debc2a3 100644
--- a/node.c
+++ b/node.c
@@ -1040,7 +1040,12 @@ dump_node(VALUE buf, VALUE indent, int comment, const NODE * node)
         ANN("format: [nd_pconst]([pre_args], ..., *[rest_arg], [post_args], ...)");
         F_NODE(nd_pconst, "constant");
         F_NODE(nd_apinfo->pre_args, "pre arguments");
-        F_NODE(nd_apinfo->rest_arg, "rest argument");
+        if (NODE_NAMED_REST_P(node->nd_apinfo->rest_arg)) {
+            F_NODE(nd_apinfo->rest_arg, "rest argument");
+        }
+        else {
+            F_MSG(nd_apinfo->rest_arg, "rest argument", "NODE_SPECIAL_NO_NAME_REST (rest argument without name)");
+        }
         LAST_NODE;
         F_NODE(nd_apinfo->post_args, "post arguments");
         return;
-- 
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