Simplify property memoization for Flyweight pattern by replacing it with ??=
#21578
| Job | Run time |
|---|---|
| 1m 35s | |
| 1m 41s | |
| 1m 39s | |
| 1m 41s | |
| 1m 44s | |
| 10m 27s | |
| 1m 53s | |
| 3m 18s | |
| 4m 39s | |
| 3m 28s | |
| 1m 40s | |
| 3m 4s | |
| 2m 55s | |
| 2m 56s | |
| 1m 40s | |
| 1m 43s | |
| 1m 54s | |
| 47m 57s |