gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libc/config/linux/x86_64/entrypoints.txt",
    "//libc/docs/stdbit.rst",
    "//libc/include/llvm-libc-macros/stdbit-macros.h",
    "//libc/spec/spec.td",
    "//libc/spec/stdc.td",
    "//libc/src/stdbit/CMakeLists.txt",
    "//libc/src/stdbit/stdc_has_single_bit_uc.cpp",
    "//libc/src/stdbit/stdc_has_single_bit_uc.h",
    "//libc/src/stdbit/stdc_has_single_bit_ui.cpp",
    "//libc/src/stdbit/stdc_has_single_bit_ui.h",
    "//libc/src/stdbit/stdc_has_single_bit_ul.cpp",
    "//libc/src/stdbit/stdc_has_single_bit_ul.h",
    "//libc/src/stdbit/stdc_has_single_bit_ull.cpp",
    "//libc/src/stdbit/stdc_has_single_bit_ull.h",
    "//libc/src/stdbit/stdc_has_single_bit_us.cpp",
    "//libc/src/stdbit/stdc_has_single_bit_us.h",
    "//libc/test/include/stdbit_test.cpp",
    "//libc/test/src/stdbit/CMakeLists.txt",
    "//libc/test/src/stdbit/stdc_has_single_bit_uc_test.cpp",
    "//libc/test/src/stdbit/stdc_has_single_bit_ui_test.cpp",
    "//libc/test/src/stdbit/stdc_has_single_bit_ul_test.cpp",
    "//libc/test/src/stdbit/stdc_has_single_bit_ull_test.cpp",
    "//libc/test/src/stdbit/stdc_has_single_bit_us_test.cpp"
  ],
  "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