From 2c25427496322f420d9acc58500f2855c9e04a2a Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sat, 22 Jan 2022 19:02:16 +0900
Subject: [PATCH] GCC provides -Wdiv-by-zero

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 09b9bd6eb0..4699d9b7c1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -641,7 +641,7 @@ AS_CASE(["$GCC:${warnflags+set}:${extra_warnflags:+set}:"],
     ])
     for wflag in \
 		 -Werror=deprecated-declarations \
-		 -Werror=division-by-zero \
+		 -Werror=division-by-zero -Werror=div-by-zero \
 		 -Werror=duplicated-cond \
 		 -Werror=implicit-function-declaration \
 		 -Werror=implicit-int \