How do I trace that memory error?

[Nicholas Wilson]

On Monday, 26 February 2018 at 18:01:07 UTC, Marc wrote:
> I've tried both gdb and windbg debugger both it either get a 
> "received signal ?" from gdb or crash the GUI application 
> (windbg).
> The error is:
>
>> core.exception.OutOfMemoryError at src\core\exception.d(696): 
>> Memory allocation failed
>
> How do I find out the source of the error?

"received signal ?" seems like the one of the GC signals used for 
stopping threads.
just get gdb to ignore those.