gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//flang/include/flang/Semantics/symbol.h",
    "//flang/lib/Semantics/check-omp-structure.cpp",
    "//flang/lib/Semantics/resolve-directives.cpp",
    "//flang/lib/Semantics/unparse-with-symbols.cpp",
    "//flang/test/Semantics/OpenMP/groupprivate.f90",
    "//libcxx/test/libcxx/containers/associative/map/abi.compile.pass.cpp",
    "//libcxx/test/libcxx/containers/associative/set/abi.compile.pass.cpp",
    "//libcxx/test/libcxx/containers/associative/unord.map/abi.compile.pass.cpp",
    "//libcxx/test/libcxx/containers/associative/unord.set/abi.compile.pass.cpp",
    "//libcxx/test/libcxx/containers/sequences/deque/abi.compile.pass.cpp",
    "//libcxx/test/libcxx/containers/sequences/forwardlist/abi.compile.pass.cpp",
    "//libcxx/test/libcxx/containers/sequences/list/abi.compile.pass.cpp",
    "//libcxx/test/libcxx/containers/sequences/vector.bool/abi.compile.pass.cpp",
    "//libcxx/test/libcxx/containers/sequences/vector/abi.compile.pass.cpp",
    "//libcxx/test/libcxx/containers/strings/basic.string/abi.compile.pass.cpp",
    "//mlir/lib/Analysis/Presburger/Matrix.cpp",
    "//offload/liboffload/API/Memory.td",
    "//offload/liboffload/src/OffloadImpl.cpp",
    "//offload/plugins-nextgen/amdgpu/src/rtl.cpp",
    "//offload/plugins-nextgen/common/include/PluginInterface.h",
    "//offload/plugins-nextgen/common/src/PluginInterface.cpp",
    "//offload/plugins-nextgen/cuda/dynamic_cuda/cuda.cpp",
    "//offload/plugins-nextgen/cuda/dynamic_cuda/cuda.h",
    "//offload/plugins-nextgen/cuda/src/rtl.cpp",
    "//offload/plugins-nextgen/host/src/rtl.cpp",
    "//offload/unittests/OffloadAPI/CMakeLists.txt",
    "//offload/unittests/OffloadAPI/memory/olMemFill.cpp"
  ],
  "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