chromium/infra/config/generated/builders/ci/ToTMacCoverage/gn-args.json

{
  "gn_args": {
    "dcheck_always_on": false,
    "is_clang": true,
    "is_debug": false,
    "llvm_force_head_revision": true,
    "symbol_level": 1,
    "target_cpu": "x64",
    "target_os": "mac",
    "use_clang_coverage": true,
    "use_siso": true
  }
}