Reduce LineLayoutCache::Invalidate() time for replacing text.
#2151
| Job | Run time |
|---|---|
| 7m 52s | |
| 12m 36s | |
| 5m 16s | |
| 8m 16s | |
| 10m 7s | |
| 17m 30s | |
| 8m 32s | |
| 14m 25s | |
| 1h 24m 34s |