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-rw-r--r--test/-ext-/popen_deadlock/test_popen_deadlock.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/-ext-/popen_deadlock/test_popen_deadlock.rb b/test/-ext-/popen_deadlock/test_popen_deadlock.rb
index 60ec6ccce4..97892e5008 100644
--- a/test/-ext-/popen_deadlock/test_popen_deadlock.rb
+++ b/test/-ext-/popen_deadlock/test_popen_deadlock.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
begin
require '-test-/popen_deadlock/infinite_loop_dlsym'
rescue LoadError