Merge pull request #1167 from herwinw/language_for_ruby_bug #1655

Job	Run time
RuboCop	23s
specs (ubuntu, 3.0.6)	1m 32s
specs (ubuntu, 3.1.4)	1m 31s
specs (ubuntu, 3.2.2)	1m 29s
specs (ubuntu, 3.3.0)	1m 23s
specs (macos, 3.0.6)	1m 31s
specs (macos, 3.1.4)	1m 22s
specs (macos, 3.2.2)	1m 23s
specs (macos, 3.3.0)	1m 17s
specs (windows, 3.0.6)	3m 50s
specs (windows, 3.1.4)	4m 55s
specs (windows, 3.2.2)	4m 53s
specs (windows, 3.3.0)	4m 24s
specs (ubuntu, 3.3.0, --enable-frozen-string-literal)	1m 21s
	31m 14s

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