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Implement register-based closure ctx #3594

Job	Run time
local_install_full (macos-latest)	5m 17s
remote_install (ubuntu-latest)	1m 20s
local_install_full (ubuntu-latest)	1m 13s
local_install (ubuntu-latest)	51s
remote_install (macos-latest)	2m 57s
local_install (macos-latest)	3m 9s
	14m 47s

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