>There is a flag to allocate them with malloc, and use RC. What is that flag? Do you have a link to the documentation? I do remember talk about adding a featur

>There is a flag to allocate them with malloc, and use RC. What is that flag? Do you have a link to the documentation? I do remember talk about adding a feature that would allow exceptions to be allocated in @nogc code, but that was never ultimately implemented and looks to be postponed (to the best of my knowledge).