macos

Eliminate access of RubyBasicObject flags #592

Job	Run time
ruby-versions / Generate Ruby versions	5s
macos-13 2.7	1m 10s
macos-13 3.2	34s
macos-13 3.0	31s
macos-13 3.1	28s
macos-13 3.3	31s
macos-13 jruby-head	2m 21s
macos-13 debug	35s
macos-14 2.7	34s
macos-13 3.4	24s
macos-14 3.3	14s
macos-14 head	18s
macos-13 head	27s
macos-14 3.0	19s
macos-14 3.1	15s
macos-14 debug	20s
macos-14 jruby-head	1m 2s
macos-14 3.4	17s
macos-14 3.2	16s
	10m 41s

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