reflected halpern wip #5671

Job	Run time
debug_all_tests (macos-latest)	27m 43s
Release64_all_tests (macos-latest)	20m 18s
release_all_tests (macos-latest)	21m 37s
debug64_all_tests (macos-latest)	24m 33s
Release64 (macos-latest)	41m 2s
debug64 (macos-latest)	21m 13s
release (macos-latest)	19m 19s
debug (macos-latest)	50m 14s
	3h 45m 59s

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