gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//.github/workflows/libcxx-pr-conformance-tests.yaml",
    "//libcxx/docs/index.rst",
    "//libcxx/include/__configuration/compiler.h",
    "//libcxx/include/__functional/boyer_moore_searcher.h",
    "//libcxx/include/__functional/weak_result_type.h",
    "//libcxx/include/__ranges/concat_view.h",
    "//libcxx/src/experimental/time_zone.cpp",
    "//libcxx/test/libcxx/memory/trivial_abi/shared_ptr_arg.pass.cpp",
    "//libcxx/test/libcxx/type_traits/desugars_to.compile.pass.cpp",
    "//libcxx/test/libcxx/utilities/function.objects/refwrap/desugars_to.compile.pass.cpp",
    "//libcxx/test/libcxx/utilities/meta/is_within_lifetime.verify.cpp",
    "//libcxx/test/std/containers/container.adaptors/flat.map/flat.map.modifiers/try_emplace_transparent.pass.cpp",
    "//libcxx/test/std/containers/container.adaptors/flat.multiset/incomplete_type.pass.cpp",
    "//libcxx/test/std/containers/container.adaptors/flat.set/incomplete_type.pass.cpp",
    "//libcxx/test/std/depr/depr.c.headers/stdalign_h.compile.pass.cpp",
    "//libcxx/test/std/utilities/expected/expected.expected/monadic/transform.pass.cpp",
    "//libcxx/test/std/utilities/expected/expected.expected/monadic/transform_error.pass.cpp",
    "//libcxx/test/std/utilities/expected/expected.void/monadic/transform_error.pass.cpp",
    "//libcxx/test/std/utilities/format/format.formatter/format.formatter.spec/formatter.char_array.pass.cpp",
    "//libcxx/test/std/utilities/meta/meta.const.eval/is_within_lifetime.compile.pass.cpp",
    "//libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_implicit_lifetime.pass.cpp",
    "//libcxx/test/std/utilities/smartptr/unique.ptr/unique.ptr.class/unique.ptr.observers/op_subscript.runtime.pass.cpp",
    "//libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/PR27684_contains_ref_to_incomplete_type.pass.cpp",
    "//libcxx/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/PR31384.pass.cpp",
    "//libcxx/test/std/utilities/utility/pairs/pairs.pair/assign_pair.pass.cpp",
    "//libcxxabi/test/catch_member_function_pointer_02.pass.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