[Bug c++/84972] [6/7/8 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in extended_tree, at tree.h:5545

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84972

--- Comment #7 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
That seems better so please go ahead with your patch then.