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",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ]
}
gn analyze input:
{
  "files": [
    "//clang/docs/LanguageExtensions.rst",
    "//clang/docs/ReleaseNotes.rst",
    "//clang/include/clang/Basic/Builtins.td",
    "//clang/lib/CodeGen/CGBuiltin.cpp",
    "//clang/lib/Sema/SemaChecking.cpp",
    "//clang/test/CodeGen/builtin-masked.c",
    "//clang/test/Sema/builtin-masked.c",
    "//llvm/docs/BuildingADistribution.rst",
    "//llvm/include/llvm/ADT/DenseMap.h",
    "//llvm/include/llvm/Support/MathExtras.h",
    "//llvm/lib/Analysis/BasicAliasAnalysis.cpp",
    "//llvm/utils/TableGen/DecoderEmitter.cpp",
    "//llvm/utils/gn/secondary/libcxx/include/BUILD.gn"
  ],
  "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": []
}
running all tests due to change to blacklisted file