revive let blocks

I'd like to ask if there's anyone on TC39 that would be willing to champion a proposal to add the let-block (let-statement) syntax? I currently write my block-scoped declarations as: { let a = 2, b, c; // .. } I do this because I want to be in the habit of always putting my let declarations at the top of blocks to avoid TDZ hazards. However, Firefox has long had the alternate let-block/statement s

[teramako]

TDZを防ぐためにlet block が必要という提案