A generic sandbox extension can be used to enable Mach bootstrap'ing.
Created attachment 458270 [details] Patch
<rdar://problem/92608084>
Pull request: https://github.com/WebKit/WebKit/pull/7252
Committed 257982@main (73fc4fd89f83): <https://commits.webkit.org/257982@main> Reviewed commits have been landed. Closing PR #7252 and removing active labels.
Reverted by https://github.com/WebKit/WebKit/pull/7933
Committed 258162@main (4d4df67e042d): <https://commits.webkit.org/258162@main> Reviewed commits have been landed. Closing PR #7933 and removing active labels.
Re-opening for pull request https://github.com/WebKit/WebKit/pull/8122