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": [
    "//libc/src/__support/CMakeLists.txt",
    "//libc/src/__support/ctype_utils.h",
    "//libc/src/__support/integer_to_string.h",
    "//libc/src/__support/wctype_utils.h",
    "//libc/src/ctype/CMakeLists.txt",
    "//libc/src/ctype/isalnum.cpp",
    "//libc/src/ctype/isalnum_l.cpp",
    "//libc/src/ctype/isalpha.cpp",
    "//libc/src/ctype/isalpha_l.cpp",
    "//libc/src/ctype/isdigit.cpp",
    "//libc/src/ctype/isdigit_l.cpp",
    "//libc/src/ctype/isgraph.cpp",
    "//libc/src/ctype/isgraph_l.cpp",
    "//libc/src/ctype/islower.cpp",
    "//libc/src/ctype/islower_l.cpp",
    "//libc/src/ctype/ispunct.cpp",
    "//libc/src/ctype/ispunct_l.cpp",
    "//libc/src/ctype/isspace.cpp",
    "//libc/src/ctype/isspace_l.cpp",
    "//libc/src/ctype/isupper.cpp",
    "//libc/src/ctype/isupper_l.cpp",
    "//libc/src/ctype/isxdigit.cpp",
    "//libc/src/ctype/isxdigit_l.cpp",
    "//libc/src/ctype/tolower.cpp",
    "//libc/src/ctype/tolower_l.cpp",
    "//libc/src/ctype/toupper.cpp",
    "//libc/src/ctype/toupper_l.cpp",
    "//libc/src/stdio/printf_core/float_dec_converter_limited.h",
    "//libc/src/stdio/printf_core/float_hex_converter.h",
    "//libc/src/stdlib/l64a.cpp",
    "//libc/src/string/strcasestr.cpp",
    "//libc/src/strings/strcasecmp.cpp",
    "//libc/src/strings/strcasecmp_l.cpp",
    "//libc/src/strings/strncasecmp.cpp",
    "//libc/src/strings/strncasecmp_l.cpp",
    "//libc/src/wctype/iswalpha.cpp",
    "//libc/test/IntegrationTest/CMakeLists.txt",
    "//libc/test/IntegrationTest/test.h",
    "//libc/test/UnitTest/CMakeLists.txt",
    "//libc/test/UnitTest/ErrnoCheckingTest.h",
    "//libc/test/UnitTest/MemoryMatcher.cpp",
    "//libc/test/src/ctype/islower_test.cpp",
    "//libc/test/src/stdlib/StrtolTest.h",
    "//libc/test/src/wchar/WcstolTest.h",
    "//lldb/tools/lldb-dap/src-ts/debug-adapter-factory.ts",
    "//lldb/tools/lldb-dap/src-ts/utils.ts",
    "//llvm/lib/IR/AsmWriter.cpp",
    "//llvm/lib/IR/DebugLoc.cpp",
    "//llvm/lib/IR/DebugProgramInstruction.cpp",
    "//llvm/lib/IR/FPEnv.cpp",
    "//llvm/lib/IR/Operator.cpp",
    "//llvm/lib/IR/PassTimingInfo.cpp",
    "//llvm/lib/IR/PseudoProbe.cpp",
    "//llvm/lib/IR/ReplaceConstant.cpp",
    "//llvm/lib/IR/Use.cpp",
    "//llvm/lib/IR/User.cpp",
    "//llvm/lib/IR/Verifier.cpp",
    "//llvm/lib/Target/AMDGPU/AMDGPULowerBufferFatPointers.cpp",
    "//llvm/test/CodeGen/AMDGPU/lower-buffer-fat-pointers-control-flow.ll",
    "//llvm/test/TableGen/SDNodeInfoEmitter/no-nodes.td",
    "//llvm/utils/TableGen/SDNodeInfoEmitter.cpp",
    "//llvm/utils/gn/secondary/llvm/lib/CodeGen/BUILD.gn",
    "//utils/bazel/llvm-project-overlay/libc/BUILD.bazel"
  ],
  "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