From 487a25d29b33c48b37d10e3b20b5947e823596c7 Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 9 Oct 2013 15:08:41 +0000
Subject: * numeric.c (fix_aref): avoid a possible undefined behavior.   1L <<
 63 on 64-bit platform is undefined, at least, according to   ISO/IEC 9899
 (C99) 6.5.7.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43222 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 numeric.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'numeric.c')

diff --git a/numeric.c b/numeric.c
index 6979b21b65..83ed3e469d 100644
--- a/numeric.c
+++ b/numeric.c
@@ -3443,7 +3443,7 @@ fix_aref(VALUE fix, VALUE idx)
     i = FIX2LONG(idx);
 
     if (i < 0) return INT2FIX(0);
-    if (SIZEOF_LONG*CHAR_BIT-1 < i) {
+    if (SIZEOF_LONG*CHAR_BIT-1 <= i) {
 	if (val < 0) return INT2FIX(1);
 	return INT2FIX(0);
     }
-- 
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