if (getenv("MLIR_CRASH_REPRODUCER_DIRECTORY"))
      path = getenv("MLIR_CRASH_REPRODUCER_DIRECTORY");
    else if (getenv("TEST_UNDECLARED_OUTPUTS_DIR"))
      path = "sponge";
  }
  if (path.empty()) {
    LOG_FIRST_N(INFO, 1) << "disabling MLIR crash reproducer, set env var "
                            "`MLIR_CRASH_REPRODUCER_DIRECTORY` to enable.";
    return;
  }