From f8d01bcb5729665acb32b0402b6781109b93d20f Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 16 Mar 2017 06:51:24 +0000
Subject: [PATCH] rational.c: initialize n

* rational.c (read_num): `n` was used uninitialized when the
  string started with a period.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57991 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 rational.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rational.c b/rational.c
index 43c49350f6..cefdfecdbf 100644
--- a/rational.c
+++ b/rational.c
@@ -2280,7 +2280,7 @@ islettere(int c)
 static int
 read_num(const char **s, const char *const end, VALUE *num, VALUE *div)
 {
-    VALUE fp = ONE, exp, fn = ZERO, n;
+    VALUE fp = ONE, exp, fn = ZERO, n = ZERO;
     int expsign = 0, ok = 0;
     char *e;