gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libc/hdr/errno_macros.h",
    "//libc/include/errno.h.def",
    "//libc/src/__support/threads/linux/CMakeLists.txt",
    "//libc/src/__support/threads/linux/futex_utils.h",
    "//libc/src/__support/threads/linux/raw_mutex.h",
    "//libc/src/__support/threads/linux/rwlock.h",
    "//libc/src/__support/time/CMakeLists.txt",
    "//libc/src/__support/time/abs_timeout.h",
    "//libc/src/__support/time/linux/CMakeLists.txt",
    "//libc/src/__support/time/monotonicity.h",
    "//libc/src/pthread/pthread_rwlock_clockwrlock.cpp",
    "//libc/src/pthread/pthread_rwlock_timedrdlock.cpp",
    "//libc/src/pthread/pthread_rwlock_timedwrlock.cpp",
    "//libc/test/src/__support/time/linux/CMakeLists.txt",
    "//libc/test/src/__support/time/linux/timeout_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