On Saturday, 26 July 2014 at 12:35:12 UTC, Vic wrote: > > http://lkml.org/lkml/2014/7/24/584 Interesting, wasn't aware of the red zone. Does D use that in its calling convention? But `extern(C)` functions use it in any case. Is the GC aware of that? Or doesn't it need to be, because the signal handlers take care of it?