From 268203c5fc69114a9541f737fe51bc2e77ae8d15 Mon Sep 17 00:00:00 2001
From: mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 11 Nov 2016 14:39:34 +0000
Subject: [PATCH] rational.c: prevent unused warning

* rational.c (f_mod): define only when NDEBUG is not defined to prevent
  unused warning

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 rational.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rational.c b/rational.c
index e4f59895bf..0044024cbf 100644
--- a/rational.c
+++ b/rational.c
@@ -101,7 +101,10 @@ f_lt_p(VALUE x, VALUE y)
     return RTEST(rb_funcall(x, '<', 1, y));
 }
 
+#ifndef NDEBUG
+/* f_mod is used only in f_gcd defined when NDEBUG is not defined */
 binop(mod, '%')
+#endif
 
 inline static VALUE
 f_mul(VALUE x, VALUE y)