Rebasing of PRs

[Walter Bright]

On 11/9/2018 1:49 AM, Nicholas Wilson wrote:
> Some of you may have noticed that I have been merging a lot of Old PRs recently.
> 
> Due to some old CI bugs and other bitrot and PRs merged, many outstanding PRs 
> need a rebase.
> 
> If you have an open PR in dmd or druntime marked `needs rebase` (if they're 
> really old it may be better to close it and open a new one, it will be a long 
> time before the CI gets to it) or a dlang.org PR that is not green, please do me 
> a favour and rebase it and ping me when you do.

Could you please mark the ones you plan to merge with the "72 hr" tag beforehand?