[Bug middle-end/90501] [10 regression] ICE: address taken, but ADDRESSABLE bit not set

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90501

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #8)
> So the first question would be why D passes the return value as
> DECL_BY_REFERENCE if it doesn't have TREE_ADDRESSABLE type.

I guessed it's optimization (using the wrong machinery?).