gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libc/src/__support/big_int.h",
    "//libc/src/math/generic/CMakeLists.txt",
    "//libc/src/math/generic/sqrtf128.cpp",
    "//libc/test/UnitTest/FPMatcher.h",
    "//libc/test/src/math/SqrtTest.h",
    "//libc/test/src/math/performance_testing/CMakeLists.txt",
    "//libc/test/src/math/performance_testing/sqrtf128_perf.cpp",
    "//libc/test/src/math/smoke/SqrtTest.h",
    "//libc/test/src/math/smoke/generic_sqrt_test.cpp",
    "//libc/test/src/math/smoke/generic_sqrtf128_test.cpp",
    "//libc/test/src/math/smoke/generic_sqrtf_test.cpp",
    "//libc/test/src/math/smoke/generic_sqrtl_test.cpp",
    "//libc/test/src/math/smoke/sqrt_test.cpp",
    "//libc/test/src/math/smoke/sqrtf128_test.cpp",
    "//libc/test/src/math/smoke/sqrtf16_test.cpp",
    "//libc/test/src/math/smoke/sqrtf_test.cpp",
    "//libc/test/src/math/smoke/sqrtl_test.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