Illegal Instruction

[kinke]

On Tuesday, 7 November 2017 at 18:06:44 UTC, Russel Winder wrote:
>    0x0000555555600c95 <+1173>:	callq  0x5555555ec180 
> <_d_throw_exception at plt>
> => 0x0000555555600c9a <+1178>:	ud2

I'm definitely no EH expert, but this looks as if Russel's 
hitting an unreachable right after calling _d_throw_exception(), 
where we certainly aren't supposed to resume from afterwards. So 
something bad must be happening during unwinding.