[Bug c++/71837] [4.9/5/6/7 Regression] ICE on valid C++14 code with initialized lambda capture: in tsubst_pack_expansion, at cp/pt.c:10905

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71837

--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
What is the point of a variadic template that is only valid when the pack
happens to have a single element?