Merge pull request #1127 from svenfuchs/digitalfrost-patch-91624 #344

Job	Run time
test (3.0)	8s
test (3.1)	14s
test (3.2)	15s
test (3.3)	8s
test (3.3, --enable-frozen-string-literal --debug-frozen-string-literal)	8s
	53s

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