gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang"
  ]
}
gn analyze input:
{
  "files": [
    "//libcxx/docs/FeatureTestMacroTable.rst",
    "//libcxx/docs/ReleaseNotes/21.rst",
    "//libcxx/docs/Status/Cxx23Papers.csv",
    "//libcxx/docs/Status/Cxx2cIssues.csv",
    "//libcxx/include/CMakeLists.txt",
    "//libcxx/include/__ranges/concepts.h",
    "//libcxx/include/__ranges/join_with_view.h",
    "//libcxx/include/module.modulemap.in",
    "//libcxx/include/ranges",
    "//libcxx/include/version",
    "//libcxx/modules/std/ranges.inc",
    "//libcxx/test/libcxx/ranges/range.adaptors/range.join.with/range.join.with.iterator/deref.nodiscard.verify.cpp",
    "//libcxx/test/libcxx/ranges/range.adaptors/range.join.with/range.join.with.iterator/eq.nodiscard.verify.cpp",
    "//libcxx/test/libcxx/ranges/range.adaptors/range.join.with/range.join.with.iterator/iter_move.nodiscard.verify.cpp",
    "//libcxx/test/libcxx/ranges/range.adaptors/range.join.with/range.join.with.iterator/no_unique_address.compile.pass.cpp",
    "//libcxx/test/libcxx/ranges/range.adaptors/range.join.with/range.join.with.overview/adaptor.nodiscard.verify.cpp",
    "//libcxx/test/libcxx/ranges/range.adaptors/range.join.with/range.join.with.sentinel/eq.nodiscard.verify.cpp",
    "//libcxx/test/libcxx/ranges/range.adaptors/range.join.with/range.join.with.sentinel/no_unique_address.compile.pass.cpp",
    "//libcxx/test/libcxx/ranges/range.adaptors/range.join.with/range.join.with.view/base.nodiscard.verify.cpp",
    "//libcxx/test/libcxx/ranges/range.adaptors/range.join.with/range.join.with.view/begin.nodiscard.verify.cpp",
    "//libcxx/test/libcxx/ranges/range.adaptors/range.join.with/range.join.with.view/end.nodiscard.verify.cpp",
    "//libcxx/test/libcxx/ranges/range.adaptors/range.join.with/range.join.with.view/no_unique_address.compile.pass.cpp",
    "//libcxx/test/std/language.support/support.limits/support.limits.general/ranges.version.compile.pass.cpp",
    "//libcxx/test/std/language.support/support.limits/support.limits.general/version.version.compile.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.iterator/ctor.default.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.iterator/ctor.not_const.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.iterator/decrement.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.iterator/deref.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.iterator/eq.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.iterator/increment.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.iterator/iter_move.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.iterator/iter_swap.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.iterator/types.compile.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.overview/adaptor.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.overview/example.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.sentinel/ctor.default.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.sentinel/ctor.non_const.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.sentinel/eq.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.view/base.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.view/begin.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.view/constraints.compile.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.view/ctad.compile.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.view/ctor.default.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.view/ctor.range.element.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.view/ctor.range.pattern.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.view/end.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/range.join.with.view/inheritance.compile.pass.cpp",
    "//libcxx/test/std/ranges/range.adaptors/range.join.with/types.h",
    "//libcxx/utils/generate_feature_test_macro_components.py",
    "//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",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}
running all tests due to change to blacklisted file