macos

Do not issue warning when calling set_encoding if string is chilled #447

Job	Run time
ruby-versions / Generate Ruby versions	3s
macos-13 2.7	1m 1s
macos-13 3.0	30s
macos-13 3.1	26s
macos-13 3.2	25s
macos-13 3.3	29s
macos-13 3.4	28s
macos-13 debug	37s
macos-13 head	32s
macos-14 2.7	28s
macos-14 3.0	15s
macos-14 3.1	18s
macos-14 3.2	15s
macos-14 3.3	14s
macos-14 3.4	15s
macos-14 debug	18s
macos-14 head	16s
	6m 50s

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