[Issue 21956] ice on foreach over an AA of noreturn

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21956

--- Comment #1 from Basile-z <b2.temp at gmx.com> ---
also triggered by

---
alias noreturn = typeof(*null);

int main()
{
    noreturn b;
    noreturn a = b ? b : b;
    return 0;
}   
---

--