[Bug c++/86706] [8/9 Regression] ICE in build_base_path, at cp/class.c:294

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86706

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
Created attachment 44460
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44460&action=edit
fix