From ff8c92359a126da43b11792184f2327f6a981efe Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@ruby-lang.org>
Date: Tue, 19 Jan 2021 13:34:07 +0900
Subject: [PATCH] test/ruby/test_pattern_matching.rb: Avoid a warning

http://rubyci.s3.amazonaws.com/ubuntu2004/ruby-master/log/20210119T033003Z.log.html.gz
```
/home/chkbuild/chkbuild/tmp/build/20210119T033003Z/ruby/test/ruby/test_pattern_matching.rb:798:
warning: assigned but unused variable - x
```
---
 test/ruby/test_pattern_matching.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/ruby/test_pattern_matching.rb b/test/ruby/test_pattern_matching.rb
index e4c7507ac4..b18ef68316 100644
--- a/test/ruby/test_pattern_matching.rb
+++ b/test/ruby/test_pattern_matching.rb
@@ -796,6 +796,7 @@ END
     assert_block do
       case [0, 1, 2]
       in x
+        x = x # avoid a warning "assigned but unused variable - x"
         true
       in [*, 2, *]
         false