gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//lldb/include/lldb/Expression/UserExpression.h",
    "//lldb/source/Expression/UserExpression.cpp",
    "//lldb/source/Plugins/ExpressionParser/Clang/ClangUserExpression.cpp",
    "//lldb/source/Plugins/ExpressionParser/Clang/ClangUserExpression.h",
    "//lldb/test/API/lang/cpp/expression-context-qualifiers/const_method/TestExprInConstMethod.py",
    "//lldb/test/API/lang/cpp/expression-context-qualifiers/const_volatile_method/TestExprInConstVolatileMethod.py",
    "//lldb/test/API/lang/cpp/expression-context-qualifiers/fixit/TestExprInConstMethodWithFixit.py",
    "//lldb/test/API/lang/cpp/expression-context-qualifiers/non_const_method/TestExprInNonConstMethod.py",
    "//lldb/test/API/lang/cpp/expression-context-qualifiers/template_const_method/TestExprInTemplateConstMethod.py",
    "//lldb/test/API/lang/cpp/expression-context-qualifiers/template_non_const_method/TestExprInTemplateNonConstMethod.py",
    "//lldb/test/API/lang/cpp/this/TestCPPThis.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": []
}