D Compiler Bug?

[Bottled Gin]

On Tuesday, 12 February 2019 at 10:31:12 UTC, Bottled Gin wrote:
>> https://issues.dlang.org/show_bug.cgi?id=19655
>> https://issues.dlang.org/show_bug.cgi?id=19656
>> https://issues.dlang.org/show_bug.cgi?id=19657
>
> Turns out all these are regressions.
>
> All these tests work with DMD release 2.74.1. And they all fail 
> with 2.75.0 and later.

I mean work with 2.074.1 and fail with 2.075.0.

Is there some wiki article that can help me setup git bisect for 
DMD? I am on Linux.