LLVM GN buildbot

linux pass, build 158412 (2025-01-24T17:23:03Z, took 0:08:11)
    5daecd4a3b9c
macm1 pass, build 99586 (2025-01-24T17:19:54Z, took 0:00:13)
    d88293d8a200
win fail, build 98074 (2024-11-16T02:48:54Z, took 0:06:29)
    failing step: building
    last good build 95739 (2024-10-21T21:43:12Z, took 0:09:52)
    regression range: 9b7be3ebe5c1...3793decaaaf8
    309c890921b8