gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libcxx/test/libcxx/concepts/concepts.arithmetic/__libcpp_signed_integer.compile.pass.cpp",
    "//libcxx/test/libcxx/concepts/concepts.arithmetic/__libcpp_unsigned_integer.compile.pass.cpp",
    "//libcxx/test/std/containers/views/mdspan/extents/bitint.pass.cpp",
    "//libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/digits10.pass.cpp",
    "//libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/max.pass.cpp",
    "//libcxx/test/std/language.support/support.limits/limits/numeric.limits.members/min.pass.cpp",
    "//libcxx/test/std/numerics/bit/bit.pow.two/bit_floor.pass.cpp",
    "//libcxx/test/std/numerics/bit/bit.pow.two/bit_width.pass.cpp",
    "//libcxx/test/std/numerics/bit/bitops.count/countl_zero.pass.cpp",
    "//libcxx/test/std/numerics/bit/bitops.rot/rotl.pass.cpp",
    "//libcxx/test/std/numerics/bit/bitops.rot/rotr.pass.cpp",
    "//libcxx/test/std/numerics/bit/byteswap.pass.cpp",
    "//libcxx/test/std/numerics/numeric.ops/numeric.ops.sat/saturating.bitint.pass.cpp",
    "//libcxx/test/std/utilities/utility/utility.intcmp/intcmp.bitint.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": []
}