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": [
    "//flang/include/flang/Parser/dump-parse-tree.h",
    "//flang/include/flang/Parser/openmp-utils.h",
    "//flang/include/flang/Parser/parse-tree.h",
    "//flang/lib/Parser/openmp-parsers.cpp",
    "//flang/lib/Parser/unparse.cpp",
    "//flang/lib/Semantics/check-omp-structure.cpp",
    "//flang/lib/Semantics/check-omp-structure.h",
    "//flang/lib/Semantics/resolve-directives.cpp",
    "//flang/test/Lower/OpenMP/Todo/omp-do-simd-linear.f90",
    "//flang/test/Parser/OpenMP/assumption.f90",
    "//flang/test/Semantics/OpenMP/cray-pointer-usage.f90",
    "//flang/test/Semantics/OpenMP/declare-mapper02.f90",
    "//flang/test/Semantics/OpenMP/depend01.f90",
    "//flang/test/Semantics/OpenMP/depend07.f90",
    "//libcxx/include/CMakeLists.txt",
    "//libcxx/include/__fwd/tuple.h",
    "//libcxx/include/__hash_table",
    "//libcxx/include/__tree",
    "//libcxx/include/__type_traits/can_extract_key.h",
    "//libcxx/include/__utility/try_key_extraction.h",
    "//libcxx/include/map",
    "//libcxx/include/module.modulemap.in",
    "//libcxx/include/set",
    "//libcxx/include/tuple",
    "//libcxx/include/unordered_map",
    "//libcxx/test/std/containers/associative/multiset/emplace.pass.cpp",
    "//libcxx/test/std/containers/associative/set/emplace.pass.cpp",
    "//libcxx/test/std/containers/unord/unord.multiset/emplace.pass.cpp",
    "//libcxx/test/std/containers/unord/unord.set/emplace.pass.cpp",
    "//lldb/test/API/lang/cpp/libcxx-internals-recognizer/TestLibcxxInternalsRecognizer.py",
    "//llvm/lib/Target/AArch64/MachineSMEABIPass.cpp",
    "//llvm/lib/Target/RISCV/RISCVISelLowering.cpp",
    "//llvm/test/Transforms/LoopVectorize/single_early_exit.ll",
    "//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