[Bug c++/99806] [10/11 Regression] ICE: in tsubst_copy, at cp/pt.c:17247

[mpolacek at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99806

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Another related test that we should probably accept:

// PR c++/99806

struct S {
  void f(auto, auto, int = 3);
};

void
g ()
{
  S s;
  s.f(1, 2);
}