From 568f8adfc884d1897eca56c8b6c0ec0018cf3816 Mon Sep 17 00:00:00 2001
From: normal <normal@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 10 Mar 2017 20:09:06 +0000
Subject: compile.c: apply opt_str_freeze to String#-@ (uminus)

The same optimization used for "literal string".freeze
can easily apply to uminus without introducing any
compatibility problems.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57828 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 bootstraptest/test_insns.rb | 1 +
 1 file changed, 1 insertion(+)

(limited to 'bootstraptest')

diff --git a/bootstraptest/test_insns.rb b/bootstraptest/test_insns.rb
index 2001e2c0ef..3a6e677885 100644
--- a/bootstraptest/test_insns.rb
+++ b/bootstraptest/test_insns.rb
@@ -178,6 +178,7 @@ tests = [
   },
 
   [ 'opt_str_freeze', %q{ 'true'.freeze }, ],
+  [ 'opt_str_freeze', %q{ -'true' }, ],
   [ 'opt_str_freeze', <<~'},', ], # {
     class String
       def freeze
-- 
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