Fix enumerator attribute merging like fieldinfo merging #732
| Job | Run time |
|---|---|
| 18m 10s | |
| 19m 17s | |
| 18m 30s | |
| 13m 6s | |
| 14m 46s | |
| 13m 15s | |
| 13m 30s | |
| 17m 6s | |
| 13m 14s | |
| 14m 2s | |
| 15m 29s | |
| 12m 44s | |
| 11m 9s | |
| 7m 44s | |
| 7m 51s | |
| 8m 5s | |
| 6m 17s | |
| 5m 59s | |
| 6m 16s | |
| 5m 12s | |
| 5m 57s | |
| 5m 23s | |
| 7m 28s | |
| 5m 51s | |
| 5m 33s | |
| 6m 42s | |
| 8m 55s | |
| 4h 47m 31s |