From 8d23c8bf3b93b0f7ab6ea9493bda39da2605d427 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 24 Mar 2016 03:43:28 +0000
Subject: date_core.c: append strings

* ext/date/date_core.c (dt_lite_iso8601): strftimev() always
  returns a String, so append them directly.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54243 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/date/date_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'ext/date')

diff --git a/ext/date/date_core.c b/ext/date/date_core.c
index dbe8cb97da..a863f9c17c 100644
--- a/ext/date/date_core.c
+++ b/ext/date/date_core.c
@@ -8350,8 +8350,8 @@ dt_lite_iso8601(int argc, VALUE *argv, VALUE self)
     if (argc >= 1)
 	n = NUM2LONG(argv[0]);
 
-    return f_add(strftimev("%Y-%m-%d", self, set_tmx),
-		 iso8601_timediv(self, n));
+    return rb_str_append(strftimev("%Y-%m-%d", self, set_tmx),
+			 iso8601_timediv(self, n));
 }
 
 /*
-- 
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