macos

Eliminate access of RubyBasicObject flags #593

Job	Run time
ruby-versions / Generate Ruby versions	4s
macos-13 3.4	31s
macos-13 3.0	33s
macos-13 3.2	26s
macos-14 2.7	44s
macos-14 3.0	21s
macos-13 jruby-head	2m 3s
macos-13 2.7	1m 15s
macos-13 3.3	41s
macos-13 head	30s
macos-13 debug	34s
macos-14 3.1	18s
macos-14 jruby-head	43s
macos-13 3.1	22s
macos-14 3.2	25s
macos-14 3.3	16s
macos-14 3.4	24s
macos-14 head	28s
macos-14 debug	28s
	11m 6s

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