gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//lldb/include/lldb/Interpreter/Interfaces/OperatingSystemInterface.h",
    "//lldb/include/lldb/Target/OperatingSystem.h",
    "//lldb/source/Plugins/OperatingSystem/Python/OperatingSystemPython.cpp",
    "//lldb/source/Plugins/OperatingSystem/Python/OperatingSystemPython.h",
    "//lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/OperatingSystemPythonInterface.cpp",
    "//lldb/source/Plugins/ScriptInterpreter/Python/Interfaces/OperatingSystemPythonInterface.h",
    "//lldb/source/Target/Process.cpp",
    "//lldb/source/Target/TargetProperties.td",
    "//lldb/test/API/functionalities/plugins/python_os_plugin/stepping_plugin_threads/TestOSPluginStepping.py",
    "//lldb/test/API/functionalities/plugins/python_os_plugin/stepping_plugin_threads/operating_system.py"
  ],
  "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": []
}