gn analyze output:
{
  "compile_targets": [],
  "status": "Found dependency",
  "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"
  ]
}
gn analyze input:
{
  "files": [
    "//clang/lib/Lex/HeaderMap.cpp",
    "//clang/lib/Lex/HeaderSearch.cpp",
    "//clang/lib/Lex/InitHeaderSearch.cpp",
    "//clang/lib/Lex/Lexer.cpp",
    "//clang/lib/Lex/MacroArgs.cpp",
    "//clang/lib/Lex/MacroInfo.cpp",
    "//clang/lib/Lex/ModuleMap.cpp",
    "//clang/lib/Lex/PPCallbacks.cpp",
    "//clang/lib/Lex/PPDirectives.cpp",
    "//clang/lib/Lex/PPExpressions.cpp",
    "//clang/lib/Lex/PPLexerChange.cpp",
    "//clang/lib/Lex/PPMacroExpansion.cpp",
    "//clang/lib/Lex/Pragma.cpp",
    "//clang/lib/Lex/PreprocessingRecord.cpp",
    "//clang/lib/Lex/Preprocessor.cpp",
    "//clang/lib/Lex/PreprocessorLexer.cpp",
    "//clang/lib/Lex/TokenLexer.cpp"
  ],
  "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": []
}