no-autodecode -- game plan

[Seb]

On Friday, 28 August 2020 at 13:27:33 UTC, Paul Backus wrote:
> On Sunday, 16 August 2020 at 17:00:52 UTC, Steven Schveighoffer 
> wrote:
>> The autodecode test is run in buildkite. PLEASE don't merge 
>> any PRs for Phobos if this test is failing! instead, ping me.
>
> This test breaks CI for pull requests to dmd/druntime/phobos 
> stable branches. For example:
>
> https://github.com/dlang/dmd/pull/11633
> https://github.com/dlang/dmd/pull/11634
>
> I think it would be best to disable this until autodecode-test 
> is available in phobos/stable.

Cherry-pick of the Makefile changes to stable: 
https://github.com/dlang/phobos/pull/7610