macos

Eliminate access of RubyBasicObject flags #591

Job	Run time
ruby-versions / Generate Ruby versions	4s
macos-13 3.3	29s
macos-13 3.2	28s
macos-14 3.4	24s
macos-14 3.2	18s
macos-13 3.0	24s
macos-13 2.7	1m 0s
macos-13 jruby-head	1m 49s
macos-14 3.1	24s
macos-14 3.0	21s
macos-13 debug	37s
macos-13 3.1	32s
macos-13 3.4	32s
macos-13 head	35s
macos-14 3.3	17s
macos-14 debug	26s
macos-14 jruby-head	1m 7s
macos-14 2.7	38s
macos-14 head	20s
	10m 45s

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