gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libcxx/include/CMakeLists.txt",
    "//libcxx/include/__chrono/formatter.h",
    "//libcxx/include/__concepts/common_with.h",
    "//libcxx/include/__filesystem/path.h",
    "//libcxx/include/__filesystem/u8path.h",
    "//libcxx/include/__locale_dir/check_grouping.h",
    "//libcxx/include/__locale_dir/get_c_locale.h",
    "//libcxx/include/__locale_dir/messages.h",
    "//libcxx/include/__locale_dir/money.h",
    "//libcxx/include/__locale_dir/num.h",
    "//libcxx/include/__locale_dir/scan_keyword.h",
    "//libcxx/include/__locale_dir/time.h",
    "//libcxx/include/__locale_dir/wbuffer_convert.h",
    "//libcxx/include/__locale_dir/wstring_convert.h",
    "//libcxx/include/__memory/shared_ptr.h",
    "//libcxx/include/__memory/unique_ptr.h",
    "//libcxx/include/__ostream/basic_ostream.h",
    "//libcxx/include/__ostream/print.h",
    "//libcxx/include/__thread/thread.h",
    "//libcxx/include/__type_traits/add_reference.h",
    "//libcxx/include/__type_traits/add_rvalue_reference.h",
    "//libcxx/include/__type_traits/copy_cvref.h",
    "//libcxx/include/__type_traits/is_assignable.h",
    "//libcxx/include/__type_traits/is_bounded_array.h",
    "//libcxx/include/__type_traits/is_constructible.h",
    "//libcxx/include/__type_traits/is_nothrow_assignable.h",
    "//libcxx/include/__type_traits/is_nothrow_constructible.h",
    "//libcxx/include/__type_traits/is_swappable.h",
    "//libcxx/include/__type_traits/is_trivially_assignable.h",
    "//libcxx/include/__type_traits/is_trivially_constructible.h",
    "//libcxx/include/experimental/iterator",
    "//libcxx/include/experimental/memory",
    "//libcxx/include/future",
    "//libcxx/include/iomanip",
    "//libcxx/include/istream",
    "//libcxx/include/locale",
    "//libcxx/include/map",
    "//libcxx/include/module.modulemap.in",
    "//libcxx/include/ostream",
    "//libcxx/include/set",
    "//libcxx/include/sstream",
    "//libcxx/include/type_traits",
    "//libcxx/test/libcxx/localization/locale.categories/__scan_keyword.pass.cpp",
    "//libcxx/test/libcxx/transitive_includes/cxx26.csv",
    "//libcxx/test/std/input.output/iostream.format/ext.manip/get_money.pass.cpp",
    "//libcxx/test/std/input.output/iostream.format/ext.manip/get_time.pass.cpp",
    "//libcxx/test/std/input.output/iostream.format/ext.manip/put_time.pass.cpp",
    "//libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date.pass.cpp",
    "//libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_monthname.pass.cpp",
    "//libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_one.pass.cpp",
    "//libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_time.pass.cpp",
    "//libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_weekday.pass.cpp",
    "//libcxx/test/std/localization/locale.categories/category.time/locale.time.get.byname/get_year.pass.cpp",
    "//libcxx/test/std/localization/locale.categories/category.time/locale.time.get/locale.time.get.members/get_date.pass.cpp",
    "//libcxx/test/std/localization/locale.categories/category.time/locale.time.get/locale.time.get.members/get_many.pass.cpp",
    "//libcxx/test/std/localization/locale.categories/category.time/locale.time.get/locale.time.get.members/get_monthname.pass.cpp",
    "//libcxx/test/std/localization/locale.categories/category.time/locale.time.get/locale.time.get.members/get_one.pass.cpp",
    "//libcxx/test/std/localization/locale.categories/category.time/locale.time.get/locale.time.get.members/get_time.pass.cpp",
    "//libcxx/test/std/localization/locale.categories/category.time/locale.time.get/locale.time.get.members/get_weekday.pass.cpp",
    "//libcxx/test/std/localization/locale.categories/category.time/locale.time.get/locale.time.get.members/get_year.pass.cpp",
    "//libcxx/test/support/concat_macros.h",
    "//libcxx/test/tools/clang_tidy_checks/header_exportable_declarations.cpp",
    "//llvm/utils/gn/secondary/libcxx/include/BUILD.gn"
  ],
  "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