gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/test/Lower/identical-block-merge-disable.f90",
    "//flang/test/Lower/implicit-interface.f90",
    "//flang/test/Lower/inline_directive.f90",
    "//flang/test/Lower/io-statement-1.f90",
    "//flang/test/Lower/io-write.f90",
    "//flang/test/Lower/location.f90",
    "//flang/test/Lower/module_definition.f90",
    "//flang/test/Lower/module_use.f90",
    "//flang/test/Lower/module_use_in_same_file.f90",
    "//flang/test/Lower/namelist-common-block.f90",
    "//flang/test/Lower/nested-where.f90",
    "//flang/test/Lower/nullify-polymorphic.f90",
    "//flang/test/Lower/pointer-association-polymorphic.f90",
    "//flang/test/Lower/pointer-disassociate.f90",
    "//flang/test/Lower/polymorphic-temp.f90",
    "//flang/test/Lower/polymorphic-types.f90",
    "//flang/test/Lower/polymorphic.f90",
    "//flang/test/Lower/pre-fir-tree02.f90",
    "//flang/test/Lower/procedure-declarations.f90",
    "//flang/test/Lower/read-write-buffer.f90",
    "//flang/test/Lower/select-type.f90",
    "//flang/test/Lower/statement-function.f90",
    "//flang/test/Lower/variable.f90",
    "//flang/test/Lower/volatile-allocatable.f90",
    "//flang/test/Lower/volatile-openmp1.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": []
}