gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//clang/docs/AMDGPUSupport.md",
    "//clang/docs/APINotes.md",
    "//clang/docs/AllocToken.md",
    "//clang/docs/BoundsSafety.md",
    "//clang/docs/BoundsSafetyAdoptionGuide.md",
    "//clang/docs/BoundsSafetyImplPlans.md",
    "//clang/docs/CIR/index.md",
    "//clang/docs/CXXTypeAwareAllocators.md",
    "//clang/docs/ClangPlugins.md",
    "//clang/docs/CommandGuide/index.md",
    "//clang/docs/ControlFlowIntegrity.md",
    "//clang/docs/DebuggingCoroutines.md",
    "//clang/docs/ExternalClangExamples.md",
    "//clang/docs/FAQ.md",
    "//clang/docs/IntroductionToTheClangAST.md",
    "//clang/docs/LibClang.md",
    "//clang/docs/LibFormat.md",
    "//clang/docs/LibTooling.md",
    "//clang/docs/RISCVSupport.md",
    "//clang/docs/Tooling.md"
  ],
  "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": []
}