gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//.github/workflows/libcxx-benchmark-cron.yml",
    "//.github/workflows/libcxx-lnt-pipeline-libstdcxx.yml",
    "//.github/workflows/libcxx-lnt-pipeline.yml",
    "//.github/workflows/libcxx-run-benchmarks.yml",
    "//.github/workflows/libcxx-run-libstdcxx-benchmarks.yml",
    "//libcxx/utils/ci/lnt/README.md",
    "//libcxx/utils/ci/lnt/dispatch-benchmarks"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}