https://git.ruby-lang.org/ruby.git/commit/?id=15db2e9496

From 15db2e9496703d76b2d785a9e2a1554833706e06 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@r...>
Date: Mon, 20 Jun 2022 19:25:11 +0900
Subject: Prevent a warning "possibly useless use of a literal in void context"

---
 test/ruby/test_ast.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test/ruby/test_ast.rb b/test/ruby/test_ast.rb
index 5cf7a7f1b5..d28d7e1fab 100644
--- a/test/ruby/test_ast.rb
+++ b/test/ruby/test_ast.rb
@@ -543,6 +543,9 @@ dummy https://github.com/ruby/ruby/blob/trunk/test/ruby/test_ast.rb#L543
   end
 
   def test_encoding_with_keep_script_lines
+    # Stop a warning "possibly useless use of a literal in void context"
+    verbose_bak, $VERBOSE = $VERBOSE, nil
+
     enc = Encoding::EUC_JP
     code = "__ENCODING__".encode(enc)
 
@@ -553,6 +556,9 @@ dummy https://github.com/ruby/ruby/blob/trunk/test/ruby/test_ast.rb#L556
 
     node = RubyVM::AbstractSyntaxTree.parse(code, keep_script_lines: true)
     assert_equal(enc, node.children[2].children[0])
+
+  ensure
+    $VERBOSE = verbose_bak
   end
 
   def test_e_option
-- 
cgit v1.2.1


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