gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/test/Lower/HLFIR/charconvert.f90",
    "//flang/test/Lower/HLFIR/procedure-pointer-component-default-init.f90",
    "//flang/test/Lower/HLFIR/procedure-pointer.f90",
    "//flang/test/Lower/HLFIR/reshape.f90",
    "//flang/test/Lower/MIF/co_broadcast.f90",
    "//flang/test/Lower/MIF/co_max.f90",
    "//flang/test/Lower/MIF/co_min.f90",
    "//flang/test/Lower/MIF/co_sum.f90",
    "//flang/test/Lower/MIF/coarray-init.f90",
    "//flang/test/Lower/MIF/num_images.f90",
    "//flang/test/Lower/MIF/sync_all.f90",
    "//flang/test/Lower/MIF/sync_images.f90",
    "//flang/test/Lower/MIF/sync_memory.f90",
    "//flang/test/Lower/MIF/this_image.f90"
  ],
  "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": []
}