gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//compiler-rt/lib/asan/asan_malloc_win.cpp",
    "//compiler-rt/test/asan/TestCases/Windows/rtlallocateheap_realloc_in_place.cpp",
    "//libc/config/baremetal/aarch64/entrypoints.txt",
    "//lldb/test/Shell/Process/Optimization.test",
    "//lldb/test/Shell/Process/UnsupportedLanguage.test",
    "//lldb/test/Shell/SymbolFile/DWARF/dwo-missing-error.test",
    "//lldb/test/Shell/lit.cfg.py",
    "//lldb/tools/debugserver/source/RNBRemote.cpp",
    "//llvm/utils/gn/secondary/clang-tools-extra/clang-reorder-fields/BUILD.gn",
    "//llvm/utils/gn/secondary/clang/lib/StaticAnalyzer/Checkers/BUILD.gn",
    "//llvm/utils/gn/secondary/libcxx/include/BUILD.gn",
    "//llvm/utils/gn/secondary/llvm/unittests/Target/RISCV/BUILD.gn"
  ],
  "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": []
}