Better diagnostics for null classes dereferencing

[Seb]

On Tuesday, 10 July 2018 at 20:57:02 UTC, Steven Schveighoffer 
wrote:
> On 7/10/18 4:02 PM, Per Nordlöw wrote:
>> On Tuesday, 10 July 2018 at 19:27:07 UTC, Steven Schveighoffer 
>> wrote:
>>> On 7/10/18 3:01 PM, Per Nordlöw wrote:
>>>> [...]
>>>
>>> Yes, call this function on startup:
>>>
>>> import etc.linux :  registerMemoryErrorHandler;
>>>
>>> void main()
>>> {
>>>     registerMemoryErrorHandler();
>>>     ...
>>> }
>>>
>>> No, it's not documented anywhere. Probably should be...
>>>
>> 
>> Okay thanks. When would you not want that behavior to be 
>> default?
>
> It was controversial at the time, and considered a hack. It's 
> also only supported on Linux. So I don't know the reason why 
> it's not always done for Linux, I really think it should be.
>
> -Steve

https://github.com/dlang/druntime/pull/2249