From a5330fa9eac68ba8b8ed70ed1713f9524b25105b Mon Sep 17 00:00:00 2001
From: duerst <duerst@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 18 Mar 2017 01:35:03 +0000
Subject: [PATCH] fix accidental reversal of r57997 in r58000

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58009 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 string.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/string.c b/string.c
index 120b172d8b..8144b61fa5 100644
--- a/string.c
+++ b/string.c
@@ -4147,7 +4147,7 @@ str_upto_each(VALUE beg, VALUE end, int excl, int (*each)(VALUE, VALUE), VALUE a
 	}
 	else {
 	    ID op = excl ? '<' : idLE;
-	    VALUE args[2], fmt = rb_obj_freeze(rb_usascii_str_new_cstr("%.*d"));
+	    VALUE args[2], fmt = rb_fstring_cstr("%.*d");
 
 	    args[0] = INT2FIX(width);
 	    while (rb_funcall(b, op, 1, e)) {