gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libc/src/stdio/scanf_core/vfscanf_internal.h",
    "//libcxx/include/__functional/function.h",
    "//libcxx/include/__mutex/once_flag.h",
    "//libcxx/include/__numeric/gcd_lcm.h",
    "//libcxx/include/__numeric/saturation_arithmetic.h",
    "//libcxx/include/locale",
    "//libcxx/test/std/thread/thread.mutex/thread.once/thread.once.callonce/call_once.pass.cpp",
    "//libcxx/test/support/operator_hijacker.h",
    "//llvm/lib/Target/DirectX/DXILShaderFlags.cpp",
    "//llvm/test/Analysis/CostModel/X86/arith-sminmax-codesize.ll",
    "//llvm/test/Analysis/CostModel/X86/arith-sminmax-latency.ll",
    "//llvm/test/Analysis/CostModel/X86/arith-sminmax-sizelatency.ll",
    "//llvm/test/Analysis/CostModel/X86/arith-sminmax.ll",
    "//llvm/test/Analysis/CostModel/X86/arith-uminmax-codesize.ll",
    "//llvm/test/Analysis/CostModel/X86/arith-uminmax-latency.ll",
    "//llvm/test/Analysis/CostModel/X86/arith-uminmax-sizelatency.ll",
    "//llvm/test/Analysis/CostModel/X86/arith-uminmax.ll",
    "//llvm/test/CodeGen/DirectX/ShaderFlags/double-extensions.ll",
    "//llvm/test/CodeGen/DirectX/ShaderFlags/int64ops.ll",
    "//llvm/test/CodeGen/DirectX/ShaderFlags/propagate-function-flags-test.ll"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}
running all tests due to change to blacklisted file