gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//llvm/test/tools/dsymutil/AArch64/typedefs-with-same-name.test",
    "//llvm/test/tools/dsymutil/X86/dwarf5-addrbase-broken.test",
    "//llvm/test/tools/dsymutil/X86/keep-func.test",
    "//llvm/test/tools/dsymutil/X86/linker-llvm-union-fwd-decl.test",
    "//llvm/test/tools/dsymutil/X86/objc.test",
    "//llvm/test/tools/dsymutil/X86/odr-two-units-in-single-file.test",
    "//llvm/test/tools/dsymutil/X86/union-fwd-decl.test",
    "//llvm/test/tools/dsymutil/X86/update-one-CU.test",
    "//llvm/test/tools/dsymutil/odr-two-units-in-single-file.test"
  ],
  "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": []
}