Simplify property memoization for Flyweight pattern by replacing it with ??=
#21575
| Job | Run time |
|---|---|
| 3m 5s | |
| 3m 17s | |
| 1m 42s | |
| 3m 8s | |
| 1m 40s | |
| 12m 5s | |
| 3m 17s | |
| 1m 52s | |
| 1m 42s | |
| 1m 49s | |
| 6m 3s | |
| 3m 26s | |
| 2m 52s | |
| 1m 43s | |
| 1m 37s | |
| 2m 57s | |
| 2m 46s | |
| 55m 1s |