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/docs/Extensions.md",
    "//flang/docs/Preprocessing.md",
    "//flang/include/flang/Parser/preprocessor.h",
    "//flang/lib/Parser/preprocessor.cpp",
    "//flang/test/Preprocessing/counter.F90",
    "//lldb/include/lldb/Core/DemangledNameInfo.h",
    "//lldb/source/Plugins/Platform/Linux/PlatformLinux.cpp",
    "//llvm/lib/CodeGen/WinEHPrepare.cpp",
    "//llvm/test/tools/llvm-symbolizer/symbol-search.test",
    "//llvm/tools/llvm-symbolizer/llvm-symbolizer.cpp",
    "//llvm/utils/gn/secondary/llvm/lib/ProfileData/BUILD.gn",
    "//llvm/utils/gn/secondary/llvm/tools/llvm-remarkutil/BUILD.gn",
    "//llvm/utils/gn/secondary/llvm/unittests/Analysis/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