c reachables detection #152

Job	Run time
nodejs-testing-windows (17, 20.x)	5m 37s
nodejs-testing (ubuntu-latest, 17, 20.x)	3m 57s
nodejs-testing-windows (19, 20.x)	4m 23s
nodejs-testing (ubuntu-latest, 19, 20.x)	4m 34s
nodejs-testing-windows (20, 20.x)	4m 3s
nodejs-testing (ubuntu-latest, 20, 20.x)	4m 40s
nodejs-testing-windows (21, 20.x)	4m 35s
nodejs-testing (ubuntu-latest, 21, 20.x)	3m 35s
nodejs-testing (macos-latest, 17, 20.x)	5m 8s
nodejs-testing (macos-latest, 19, 20.x)	5m 56s
nodejs-testing (macos-latest, 20, 20.x)	5m 46s
nodejs-testing (macos-latest, 21, 20.x)	6m 22s
	58m 36s

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