gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libc/src/__support/FPUtil/arm/sqrt.h",
    "//libc/src/__support/FPUtil/riscv/sqrt.h",
    "//libc/src/__support/FPUtil/sqrt.h",
    "//libc/src/__support/FPUtil/x86_64/sqrt.h",
    "//libc/src/__support/macros/properties/cpu_features.h",
    "//llvm/utils/gn/secondary/llvm/tools/dsymutil/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