Preston Taylor

> Looks like UBSAN is not happy with this changes: > > ``` > /home/vsts/work/1/s/Meta/Lagom/../../AK/DistinctNumeric.h:268:23: runtime error: signed integer overflow: -2147483648 + -50 cannot be represented in type 'int' >...

> Please add some in-tree tests for this instead of only relying on test262 :) I've added tests into the latest commit :+1: Edit: I've also added tests for the...

The proposal is now transitioning into stage 4. As there seems to be some changes I will close this pr and re-open it when the proposal pr is merged.