Memory allocation failed in CT

[Max Haughton]

On Tuesday, 9 July 2019 at 17:48:52 UTC, Andrey wrote:
> Hello,
> I have got a problem with compile-time calulations.
> I have some code generator that should create some long string 
> of code during CT and after generation I mixin it. If I run it 
> normally - in run time - then there is no error and I get 
> expected output - string with size ~ 3.5 MB.
> If I run it in CT then I recieve an error:
>> [...]
>
> I don't understand why...
> The only operation in my generator is string concatination: 
> _result ~= "some code...".

Are you using the -lowmem flag? This enables the GC during 
compilation i.e. you might be running out of memory (CTFE is not 
efficient with memory during evaluation)