This is needed to keep Clang from moving these labels around. For correctness, the AfterGate labels rely on themselves not being move from where they are declared in source asm code.
Pull request: https://github.com/WebKit/WebKit/pull/995
Committed r294786 (250945@main): <https://commits.webkit.org/250945@main> Reviewed commits have been landed. Closing PR #995 and removing active labels.
<rdar://problem/93876364>