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-rw-r--r--spec/ruby/core/string/shared/replace.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/spec/ruby/core/string/shared/replace.rb b/spec/ruby/core/string/shared/replace.rb
index a5108d9e7c..24dac0eb27 100644
--- a/spec/ruby/core/string/shared/replace.rb
+++ b/spec/ruby/core/string/shared/replace.rb
@@ -1,3 +1,4 @@
+# frozen_string_literal: false
describe :string_replace, shared: true do
it "returns self" do
a = "a"