[Bug d/106977] [13 regression] d21 dies with SIGBUS on 32-bit Darwin

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106977

--- Comment #19 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #18)
> > I think the visibility type is POD (assuming D has that concept)

At least the front-end does.
See dmd/dstruct.d:443

if isPOD return false, TREE_ADDRESSABLE is set on the struct.
I have not gone through the code otherwise.