Better error messages - from reddit

[Seb]

On Tuesday, 12 March 2019 at 06:50:45 UTC, Nicholas Wilson wrote:
> On Tuesday, 12 March 2019 at 06:33:55 UTC, Seb wrote:
>> On Tuesday, 12 March 2019 at 00:40:32 UTC, Nicholas Wilson 
>> wrote:
>>> one major thing I think will help is to have tools to 
>>> auto-update the test suite, I hate how over prescriptive it 
>>> is.
>>
>> ./test/run.d AUTO_UPDATE=1
>>
>> (works with the Makefile too)
>
> Thanks, could you add that to the dlang bot's message? I'm 
> going to forget that otherwise.

No, we can't add the entire README to every message.
Just remember to look here (the testsuite's README):

https://github.com/dlang/dmd/blob/master/test/README.md#automatically-update-the-test_output-segments