From 1ddaa1ce09d66f032caf4b0ecdedd1eb94c4a8b5 Mon Sep 17 00:00:00 2001
From: kazu <kazu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 5 Feb 2018 12:34:37 +0000
Subject: Fix undefined behavior

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62229 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/m4/ruby_check_va_copy.m4 | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'tool/m4')

diff --git a/tool/m4/ruby_check_va_copy.m4 b/tool/m4/ruby_check_va_copy.m4
index 74338beb60..403ef801f2 100644
--- a/tool/m4/ruby_check_va_copy.m4
+++ b/tool/m4/ruby_check_va_copy.m4
@@ -14,9 +14,11 @@ conftest(int n, ...)
     va_start(ap, n);
     CONFTEST_VA_COPY(ap2, ap);
     for (i = 0; i < n; i++) if ((int)va_arg(ap, int) != n - i - 1) abort();
+    va_end(ap);
     CONFTEST_VA_COPY(ap, ap2);
     for (i = 0; i < n; i++) if ((int)va_arg(ap, int) != n - i - 1) abort();
     va_end(ap);
+    va_end(ap2);
 }
 int
 main()
-- 
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