gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//compiler-rt/test/asan/TestCases/Linux/allocator_oom_test.cpp",
    "//compiler-rt/test/asan/TestCases/Posix/deep_call_stack.cpp",
    "//compiler-rt/test/asan/TestCases/log-path_test.cpp",
    "//compiler-rt/test/asan/TestCases/scariness_score_test.cpp",
    "//compiler-rt/test/fuzzer/features_dir.test",
    "//compiler-rt/test/fuzzer/fork-sigusr.test",
    "//compiler-rt/test/fuzzer/merge-posix.test",
    "//compiler-rt/test/fuzzer/merge-sigusr.test",
    "//compiler-rt/test/fuzzer/sigint.test",
    "//compiler-rt/test/fuzzer/sigusr.test",
    "//compiler-rt/test/fuzzer/ulimit.test",
    "//compiler-rt/test/hwasan/TestCases/print-memory-usage.c",
    "//compiler-rt/test/memprof/TestCases/log_path_test.cpp",
    "//compiler-rt/test/msan/Linux/reexec_unlimited_stack.cpp",
    "//compiler-rt/test/profile/instrprof-hostname.c"
  ],
  "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": []
}