[patch-rfc] N2179: Exception Propagation in C++

[Paolo Carlini]

Hi,

> A union { size_t __dummy; _Atomic_word __refs; } should work,
> as long as sizeof(size_t) >= sizeof(_Atomic_word). 

Sure, thanks Peter, that would be ok, and in case we can do it and be done with it very soon. But I want to hear Mark before, because it's not at all obvious to me that we have to avoid this kind of ambiguity...

Paolo.