gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/lib/Lower/Allocatable.cpp",
    "//flang/lib/Lower/Bridge.cpp",
    "//flang/lib/Lower/ConvertArrayConstructor.cpp",
    "//flang/lib/Lower/ConvertCall.cpp",
    "//flang/lib/Lower/ConvertConstant.cpp",
    "//flang/lib/Lower/ConvertExpr.cpp",
    "//flang/lib/Lower/ConvertExprToHLFIR.cpp",
    "//flang/lib/Lower/ConvertProcedureDesignator.cpp",
    "//flang/lib/Lower/ConvertVariable.cpp",
    "//flang/lib/Lower/CustomIntrinsicCall.cpp",
    "//flang/lib/Lower/HlfirIntrinsics.cpp",
    "//flang/lib/Lower/HostAssociations.cpp",
    "//flang/lib/Lower/IO.cpp",
    "//flang/lib/Lower/OpenACC.cpp",
    "//flang/lib/Lower/OpenMP/Atomic.cpp",
    "//flang/lib/Lower/OpenMP/ClauseProcessor.cpp",
    "//flang/lib/Lower/OpenMP/DataSharingProcessor.cpp",
    "//flang/lib/Lower/OpenMP/OpenMP.cpp",
    "//flang/lib/Lower/OpenMP/Utils.cpp",
    "//flang/lib/Lower/Runtime.cpp",
    "//flang/lib/Lower/Support/PrivateReductionUtils.cpp",
    "//flang/lib/Lower/Support/ReductionProcessor.cpp",
    "//flang/lib/Lower/Support/Utils.cpp",
    "//flang/lib/Lower/VectorSubscripts.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": []
}