gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp",
    "//compiler-rt/lib/tsan/rtl/tsan_interface_ann.cpp",
    "//compiler-rt/lib/tsan/rtl/tsan_mman.cpp",
    "//compiler-rt/lib/tsan/rtl/tsan_rtl_access.cpp",
    "//compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cpp",
    "//compiler-rt/lib/tsan/rtl/tsan_rtl_report.cpp",
    "//compiler-rt/lib/tsan/rtl/tsan_rtl_thread.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": []
}