gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//lld/test:check-lld"
  ]
}
gn analyze input:
{
  "files": [
    "//clang/lib/AST/ASTContext.cpp",
    "//clang/test/AST/HLSL/TypdefArrayParam.hlsl",
    "//flang/lib/Lower/OpenACC.cpp",
    "//flang/test/Lower/OpenACC/acc-declare-unwrap-defaultbounds.f90",
    "//flang/test/Lower/OpenACC/acc-declare.f90",
    "//flang/test/Lower/OpenACC/acc-kernels-loop.f90",
    "//flang/test/Lower/OpenACC/acc-kernels.f90",
    "//flang/test/Lower/OpenACC/acc-parallel-loop.f90",
    "//flang/test/Lower/OpenACC/acc-parallel.f90",
    "//flang/test/Lower/OpenACC/acc-serial-loop.f90",
    "//flang/test/Lower/OpenACC/acc-serial.f90",
    "//lld/COFF/Driver.cpp",
    "//lld/test/COFF/arm64x-includeoptional.s",
    "//llvm/utils/git/github-automation.py",
    "//mlir/lib/Dialect/OpenACC/IR/OpenACC.cpp"
  ],
  "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": []
}