From f0f8234a2635e4d63ebde8a3f9e8a3f70863379e Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 5 Jan 2017 07:27:19 +0000
Subject: numeric.c: short circuit

* numeric.c (int_pow): short circuit when y is 0, always return 1.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57270 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 numeric.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'numeric.c')

diff --git a/numeric.c b/numeric.c
index 28ad30d764..ee8c032eef 100644
--- a/numeric.c
+++ b/numeric.c
@@ -3892,6 +3892,7 @@ int_pow(long x, unsigned long y)
     int neg = x < 0;
     long z = 1;
 
+    if (y == 0) return INT2FIX(1);
     if (neg) x = -x;
     if (y & 1)
 	z = x;
-- 
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