gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libcxx/include/module.modulemap",
    "//libcxx/test/benchmarks/GenerateInput.h",
    "//libcxx/test/benchmarks/algorithms/count.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/equal.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/find.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/for_each.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/mismatch.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/adjacent_find.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/any_all_none_of.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/contains.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/contains_subrange.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/count.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/ends_with.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/equal.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/find.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/find_end.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/find_first_of.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/find_last.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/fold.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/for_each.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/is_permutation.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/mismatch.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/search.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/search_n.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/nonmodifying/starts_with.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/ranges_contains.bench.cpp",
    "//libcxx/test/benchmarks/algorithms/ranges_ends_with.bench.cpp"
  ],
  "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": []
}
running all tests due to change to blacklisted file