gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libc/src/__support/macros/optimization.h",
    "//libc/src/__support/math/CMakeLists.txt",
    "//libc/src/__support/math/cosf.h",
    "//libc/src/__support/math/cosh.h",
    "//libc/src/__support/math/exp.h",
    "//libc/src/__support/math/exp10.h",
    "//libc/src/__support/math/exp10f.h",
    "//libc/src/__support/math/exp2.h",
    "//libc/src/__support/math/exp2f.h",
    "//libc/src/__support/math/exp2f_integer_utils.h",
    "//libc/src/__support/math/expf.h",
    "//libc/src/__support/math/powf.h",
    "//libc/src/__support/math/sinf.h",
    "//libc/src/__support/math/sinh.h",
    "//libc/src/__support/math/tanf.h",
    "//libc/src/__support/math/tanh.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",
    "//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