From f644d3ef6789672fcae8b3da2e91655ad2cd736a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 22 Oct 2017 01:37:36 +0000
Subject: parse.y: workaround for warnings

* parse.y (mark_lvar_used): enable workaround to suppress unused
  local variables.  [ruby-core:82656] [Bug #13872]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60339 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_parse.rb | 1 +
 1 file changed, 1 insertion(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_parse.rb b/test/ruby/test_parse.rb
index 5b973a0901..8830dbec30 100644
--- a/test/ruby/test_parse.rb
+++ b/test/ruby/test_parse.rb
@@ -890,6 +890,7 @@ x = __ENCODING__
     assert_warning(/#{a}/) {o.instance_eval("def foo; #{a}=1; nil; end")}
     o = Object.new
     assert_warning(/assigned but unused variable/) {o.instance_eval("def foo; tap {a=1; a()}; end")}
+    assert_warning('') {o.instance_eval("def bar; a=a=1; nil; end")}
   end
 
   def test_named_capture_conflict
-- 
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