crucible-llvm: Improve error messages in a few pointer-to-bitvector casts
#2102
| Job | Run time |
|---|---|
| 6s | |
| 35m 5s | |
| 0s | |
| 36m 15s | |
| 35m 16s | |
| 36m 15s | |
| 28m 6s | |
| 2h 51m 3s |