[Bug c/71812] gcc6/c++/functional:1726:40: internal compiler error: in assign_temp, at function.c:961

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71812

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Duplicate of PR71811?