Use underscore-begging name for dummy variables to suppress warning

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38218 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 2 deletions

diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index 6626ce2409..6bec7dfc34 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -575,7 +575,7 @@ class TestThread < Test::Unit::TestCase
   def test_async_interrupt_with_return
     assert_nothing_raised do
       for_test_async_interrupt_with_return
-      dummy_for_check_ints=nil
+      _dummy_for_check_ints=nil
     end
   end
 
@@ -588,7 +588,7 @@ class TestThread < Test::Unit::TestCase
         }
       rescue
       end
-      dummy_for_check_ints=nil
+      _dummy_for_check_ints=nil
     end
   end