gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/test/Transforms/DoConcurrent/allocatable.f90",
    "//flang/test/Transforms/DoConcurrent/host_eval.f90",
    "//flang/test/Transforms/DoConcurrent/locally_destroyed_temp.f90",
    "//flang/test/Transforms/DoConcurrent/map_shape_info.f90",
    "//flang/test/Transforms/DoConcurrent/multiple_iteration_ranges.f90",
    "//flang/test/Transforms/DoConcurrent/non_reference_to_device.f90",
    "//flang/test/Transforms/DoConcurrent/not_perfectly_nested.f90",
    "//flang/test/Transforms/DoConcurrent/runtime_sized_array.f90",
    "//flang/test/Transforms/DoConcurrent/skip_all_nested_loops.f90"
  ],
  "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": []
}