From 040ce056101bc9a8d9a5b0ed5d6a5835ec31be26 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 3 Feb 2016 04:52:13 +0000
Subject: * string.c (str_new_frozen): if the given string is embeddedable  
 but not embedded, embed a new copied string. [Bug #11946]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53724 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 string.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'string.c')

diff --git a/string.c b/string.c
index 7af14c8ef2..b6de5f2b1b 100644
--- a/string.c
+++ b/string.c
@@ -1090,6 +1090,13 @@ str_new_frozen(VALUE klass, VALUE orig)
 		return shared;
 	    }
 	}
+	else if (RSTRING_LEN(orig)+TERM_LEN(orig) <= RSTRING_EMBED_LEN_MAX+1) {
+	    str = str_alloc(klass);
+	    STR_SET_EMBED(str);
+	    memcpy(RSTRING_PTR(str), RSTRING_PTR(orig), RSTRING_LEN(orig));
+	    STR_SET_EMBED_LEN(str, RSTRING_LEN(orig));
+	    TERM_FILL(RSTRING_END(str), TERM_LEN(orig));
+	}
 	else {
 	    str = str_alloc(klass);
 	    STR_SET_NOEMBED(str);
-- 
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