https://git.ruby-lang.org/ruby.git/commit/?id=230267d1a8

From 230267d1a8f2b8245e911513926c06299ddeebc8 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Wed, 9 Nov 2022 20:15:48 +0900
Subject: Now bison 3.0 or later is required

---
 parse.y | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/parse.y b/parse.y
index f6b32d5c97..526a25ac3b 100644
--- a/parse.y
+++ b/parse.y
@@ -9,6 +9,8 @@ https://github.com/ruby/ruby/blob/trunk/parse.y#L9
 
 **********************************************************************/
 
+%require "3.0"
+
 %{
 
 #if !YYPURE
-- 
cgit v1.2.3


--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/