There are a number of locations where we include an internally-available header produced by a target that depends on WebKit. These _usually_ don't fail the build when the build order in manually specified, but cause problems when building with "dependency order" target-level parallelism. They are true cycles, so we need to fix them.
Pull request: https://github.com/WebKit/WebKit/pull/581
rdar://90491841
Committed r295067 (251162@main): <https://commits.webkit.org/251162@main> Reviewed commits have been landed. Closing PR #581 and removing active labels.