Use a benevolent union type in openssl_cipher_iv_length
          
            #18265
        
      | Job | Run time | 
|---|---|
| 1m 4s | |
| 38s | |
| 2m 13s | |
| 20s | |
| 14s | |
| 14s | |
| 13s | |
| 14s | |
| 13s | |
| 37s | |
| 12s | |
| 16s | |
| 19s | |
| 15s | |
| 18s | |
| 18s | |
| 14s | |
| 12s | |
| 12s | |
| 18s | |
| 13s | |
| 15s | |
| 18s | |
| 16s | |
| 11s | |
| 20s | |
| 12s | |
| 13s | |
| 16s | |
| 15s | |
| 20s | |
| 14s | |
| 16s | |
| 13s | |
| 15s | |
| 12s | |
| 13s | |
| 12s | |
| 14s | |
| 13m 12s |