From e064879e5ad2c4534d3ca4fc5eda045ee32d7c34 Mon Sep 17 00:00:00 2001
From: normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 8 Mar 2017 21:24:24 +0000
Subject: string.c (str_uminus): update doc for deduplication

As of r57698, String#-@ can return pre-existing strings.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57813 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 string.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'string.c')

diff --git a/string.c b/string.c
index e95ed2be69..c002c9c24e 100644
--- a/string.c
+++ b/string.c
@@ -2520,8 +2520,8 @@ str_uplus(VALUE str)
  *
  * If the string is frozen, then return the string itself.
  *
- * If the string is not frozen, then duplicate the string
- * freeze it and return it.
+ * If the string is not frozen, return a frozen, possibly pre-existing
+ * copy of it.
  */
 static VALUE
 str_uminus(VALUE str)
-- 
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