Merge pull request #116 from Earlopain/dead-code #733

Job	Run time
Ruby ruby-head	2m 46s
Ruby 3.3	2m 27s
Ruby 3.2	2m 16s
Ruby 3.1	2m 22s
Ruby 3.0	2m 20s
Ruby 2.7	2m 39s
Ruby 2.6	2m 23s
Ruby 3.3 --enable-frozen-string-literal	2m 20s
	19m 33s

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