From 58772d711059308d874b092f42ef4a8ac65add3d Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 6 Jun 2010 10:56:45 +0000
Subject: [PATCH] * array.c (rb_ary_product): clear uninitialized elements in
 temporary   array.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28187 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog | 5 +++++
 array.c   | 1 +
 2 files changed, 6 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 2986136c77..a583d5ca74 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Jun  6 19:55:21 2010  Tanaka Akira  <akr@fsij.org>
+
+	* array.c (rb_ary_product): clear uninitialized elements in temporary
+	  array.
+
 Sun Jun  6 12:31:57 2010  Narihiro Nakamura  <authorNari@gmail.com>
 
 	* gc.c: set_heaps_increment is not
diff --git a/array.c b/array.c
index 35335f5437..04c244a385 100644
--- a/array.c
+++ b/array.c
@@ -4308,6 +4308,7 @@ rb_ary_product(int argc, VALUE *argv, VALUE ary)
     /* initialize the arrays of arrays */
     ARY_SET_LEN(t0, n);
     arrays[0] = ary;
+    for (i = 1; i < n; i++) arrays[i] = Qnil;
     for (i = 1; i < n; i++) arrays[i] = to_ary(argv[i-1]);
 
     /* initialize the counters for the arrays */