From bdf3032e3542b318c6f52dbe20d1c97cca3d7067 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 12 Feb 2020 19:29:18 +0900
Subject: Make temporary lock string encoding free

As a temporary lock string is hidden, it can not have instance
variables, including non-inlined encoding index.
---
 sprintf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'sprintf.c')

diff --git a/sprintf.c b/sprintf.c
index 64cfdee1a1..ff1800e088 100644
--- a/sprintf.c
+++ b/sprintf.c
@@ -257,7 +257,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
     blen = 0;
     bsiz = 120;
     result = rb_str_buf_new(bsiz);
-    rb_enc_copy(result, fmt);
+    rb_enc_associate(result, enc);
     buf = RSTRING_PTR(result);
     memset(buf, 0, bsiz);
     ENC_CODERANGE_SET(result, coderange);
-- 
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