[Bug c++/91706] [8/9/10 Regression] ICE: tree check: expected class 'type', have 'exceptional' (error_mark) in equate_type_number_to_die, at dwarf2out.c:5782

[ppalka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91706

Patrick Palka <ppalka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |ppalka at gcc dot gnu.org

--- Comment #5 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Slightly more reduced testcase:


template <bool> struct A;

struct C {
  template <typename> static int c ();
};

template <class T> struct D : C {
  using c = decltype (c<T>);
  using E = A<c::g>;
};

D<int> g;