Simplify property memoization for Flyweight pattern by replacing it with ??=
#21596
| Job | Run time |
|---|---|
| 2m 40s | |
| 2m 41s | |
| 2m 41s | |
| 1m 38s | |
| 1m 42s | |
| 1m 51s | |
| 2m 35s | |
| 2m 40s | |
| 2m 45s | |
| 2m 46s | |
| 1m 45s | |
| 2m 47s | |
| 2m 47s | |
| 1m 54s | |
| 2m 52s | |
| 1m 43s | |
| 1m 38s | |
| 39m 25s |