fix: process directives in empty classes #402
| Job | Run time | 
|---|---|
| 2m 16s | |
| 41s | |
| 32s | |
| 46s | |
| 42s | |
| 35s | |
| 46s | |
| 38s | |
| 44s | |
| 1m 24s | |
| 1m 21s | |
| 33s | |
| 1m 9s | |
| 1m 6s | |
| 1m 32s | |
| 27s | |
| 1m 5s | |
| 1m 27s | |
| 1m 8s | |
| 1m 7s | |
| 1m 3s | |
| 21m 2s | 
| Job | Run time | 
|---|---|
| 2m 16s | |
| 41s | |
| 32s | |
| 46s | |
| 42s | |
| 35s | |
| 46s | |
| 38s | |
| 44s | |
| 1m 24s | |
| 1m 21s | |
| 33s | |
| 1m 9s | |
| 1m 6s | |
| 1m 32s | |
| 27s | |
| 1m 5s | |
| 1m 27s | |
| 1m 8s | |
| 1m 7s | |
| 1m 3s | |
| 21m 2s |