`ninja all check-all`
Performance improvement confirmed with `bitcoin-bench`:
```
$ diff before.log after.log | grep ComplexMemPool
| ns/elem | elem/s | err% | total | benchmark
|--------------------:|--------------------:|--------:|----------:|:----------
< | 199,336,736.00 | 5.02 | 0.4% | 2.21 | `ComplexMemPool`
> | 181,013,454.00 | 5.52 | 0.4% | 1.99 | `ComplexMemPool`
```