AA struct hashing bug?

[Ivan Kazmenko via Digitalmars-d-learn]

On Tuesday, 8 December 2015 at 11:45:25 UTC, Random D user wrote:
> Ok. This is minimal app that crashes for me. If someone could 
> try this:

At the very least, there is no crash when changing `struct Foo` 
to `static struct Foo`, so it is perhaps related to `Foo` being 
an inner struct with a pointer to parent class.