macros: Take a visibility for c_enum variants
#3944
| Job | Run time |
|---|---|
| 46s | |
| 5m 45s | |
| 10s | |
| 31s | |
| 2m 3s | |
| 51s | |
| 5m 5s | |
| 1m 23s | |
| 11m 24s | |
| 3m 9s | |
| 1m 4s | |
| 2m 28s | |
| 12m 16s | |
| 2m 13s | |
| 2m 41s | |
| 1m 37s | |
| 19s | |
| 4m 13s | |
| 23s | |
| -1s | |
| -1s | |
| 3s | |
| 58m 22s |