gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//clang/test/AST/HLSL/vector-constructors.hlsl",
    "//clang/test/AST/ast-dump-decl-json.c",
    "//clang/test/AST/ast-dump-expr-json.cpp",
    "//clang/test/AST/ast-dump-record-definition-data-json.cpp",
    "//clang/test/AST/ast-dump-records-json.cpp",
    "//clang/test/CXX/drs/cwg2149.cpp",
    "//clang/test/CXX/temp/temp.arg/temp.arg.nontype/p5.cpp",
    "//clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.call/p3-0x.cpp",
    "//clang/test/CodeGenCXX/constructors.cpp",
    "//clang/test/CodeGenCXX/vtable-layout.cpp",
    "//clang/test/Index/c-index-api-loadTU-test.m",
    "//clang/test/Parser/cxx-nested-name.cpp",
    "//clang/test/SemaCXX/adl.cpp",
    "//clang/test/SemaCXX/anonymous-struct.cpp",
    "//clang/test/SemaCXX/class-base-member-init.cpp",
    "//clang/test/SemaCXX/constructor.cpp",
    "//clang/test/SemaCXX/coroutine-allocs.cpp",
    "//clang/test/SemaCXX/ctad.cpp",
    "//clang/test/SemaCXX/cxx1z-class-template-argument-deduction.cpp",
    "//clang/test/SemaCXX/incomplete-call.cpp",
    "//clang/test/SemaCXX/nested-name-spec.cpp",
    "//clang/test/SemaCXX/pointer-forward-declared-class-conversion.cpp",
    "//clang/test/SemaCXX/pseudo-destructors.cpp",
    "//clang/test/SemaCXX/return.cpp",
    "//clang/test/SemaCXX/type-traits.cpp",
    "//clang/test/SemaCXX/using-decl-pr4441.cpp",
    "//clang/test/SemaCXX/using-decl.cpp",
    "//clang/test/SemaCXX/virtual-override.cpp",
    "//clang/test/SemaCXX/warn-infinite-recursion.cpp",
    "//clang/test/SemaObjCXX/arc-bridged-cast.mm",
    "//clang/test/SemaTemplate/class-template-spec.cpp",
    "//clang/test/SemaTemplate/current-instantiation.cpp",
    "//clang/test/SemaTemplate/dependent-base-classes.cpp",
    "//clang/test/SemaTemplate/explicit-instantiation.cpp",
    "//clang/test/SemaTemplate/nested-name-spec-template.cpp",
    "//clang/test/SemaTemplate/typename-specifier-4.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": []
}