b.ReportAllocs()
	req := reqBytes(`GET / HTTP/1.0
Host: golang.org
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_2) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.52 Safari/537.17
Accept-Encoding: gzip,deflate,sdch
Accept-Language: en-US,en;q=0.8
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3
`)

    return failed_region.second->getParentOp()->emitError()
               << "failed while converting: '" << failed_region.first
               << "': " << err,
           std::nullopt;
  }

  // Log MAC count.
  int64_t ops_count;
  if (EstimateArithmeticCount(&ops_count)) {
    const int64_t million = 1e6;
    const int64_t billion = 1e9;
    std::string flops_str;
    std::string mac_str;

  # By default, linux wraps base64 output every 76 cols, so we use 'tr -d' to remove whitespaces.
  # Note 'base64 -w0' doesn't work on Mac OS X, which has different flags.
  CA_KEY_BASE64=$(base64 "${CERT_DIR}/pki/private/ca.key" | tr -d '\r\n')
  CA_CERT_BASE64=$(base64 "${CERT_DIR}/pki/ca.crt" | tr -d '\r\n')