gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libc/cmake/modules/compiler_features/check_float128.cpp",
    "//libc/docs/dev/code_style.rst",
    "//libc/src/__support/CPP/CMakeLists.txt",
    "//libc/src/__support/CPP/type_traits/is_floating_point.h",
    "//libc/src/__support/FPUtil/CMakeLists.txt",
    "//libc/src/__support/FPUtil/FPBits.h",
    "//libc/src/__support/macros/properties/CMakeLists.txt",
    "//libc/src/__support/macros/properties/types.h",
    "//libc/src/math/ceilf128.h",
    "//libc/src/math/copysignf128.h",
    "//libc/src/math/fabsf128.h",
    "//libc/src/math/fdimf128.h",
    "//libc/src/math/floorf128.h",
    "//libc/src/math/fmaxf128.h",
    "//libc/src/math/fminf128.h",
    "//libc/src/math/frexpf128.h",
    "//libc/src/math/generic/CMakeLists.txt",
    "//libc/src/math/ilogbf128.h",
    "//libc/src/math/ldexpf128.h",
    "//libc/src/math/llogb.h",
    "//libc/src/math/llogbf.h",
    "//libc/src/math/llogbf128.h",
    "//libc/src/math/llogbl.h",
    "//libc/src/math/logbf128.h",
    "//libc/src/math/roundf128.h",
    "//libc/src/math/sqrtf128.h",
    "//libc/src/math/truncf128.h",
    "//utils/bazel/llvm-project-overlay/libc/BUILD.bazel"
  ],
  "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