https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88982
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Started with r247842. Before that:
88982.C: In instantiation of ‘struct A<int, short int>’:
88982.C:10:14: required from here
88982.C:2:73: error: type mismatch in nontype parameter pack
template<template<typename, Ts = 0> class ...Cs, Cs<Ts> ...Vs> struct B {
^
88982.C:2:73: error: could not convert template argument
‘#‘nontype_argument_pack’ not supported by dump_expr#<expression error>’ from
‘Cs<Ts>’ to ‘Cs<Ts>’
88982.C:2:73: error: type mismatch in nontype parameter pack
88982.C:2:73: error: could not convert template argument
‘#‘nontype_argument_pack’ not supported by dump_expr#<expression error>’ from
‘Cs<Ts>’ to ‘Cs<Ts>’
88982.C:10:16: error: ‘B’ in ‘struct A<int, short int>’ does not name a
template type
A<int, short>::B<Int, Char> b;
^
