[Bug c++/79549] [7 Regression] [c++1z] ICE in tsubst, at cp/pt.c:13474 with partial specialization of auto... template parameter pack

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79549

--- Comment #7 from Jason Merrill <jason at gcc dot gnu.org> ---
Created attachment 40763
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40763&action=edit
Better fix for GCC 8