Improve performance of setproperties/getproperties for structs with unions
#148
| Job | Run time |
|---|---|
| 56s | |
| 1m 42s | |
| 1m 1s | |
| 41s | |
| 1m 11s | |
| 57s | |
| 1m 1s | |
| 46s | |
| 1m 27s | |
| 1m 6s | |
| 1m 41s | |
| 1m 2s | |
| 13m 31s |