| // PR c++/89767 |
| // { dg-do compile { target c++14 } } |
| // { dg-options "-O2 -Wall" } |
| |
| template <typename d> struct e { using g = d; }; |
| template <typename d, template <typename> class> using h = e<d>; |
| template <typename d, template <typename> class i> |
| using j = typename h<d, i>::g; |
| template <typename c> int k(c); |
| template <typename...> class au; |
| struct l { template <typename c> using m = typename c::f; }; |
| struct s : l { using af = j<au<int, int> *, m>; }; |
| template <unsigned long, typename> struct o; |
| template <long p, typename c> using q = typename o<p, c>::g; |
| template <typename> struct r; |
| template <typename c> struct r<c *> { typedef c aj; }; |
| template <typename ak, typename> struct al { typename r<ak>::aj operator*(); void operator++(); }; |
| template <typename am, typename an, typename ao> |
| bool operator!=(al<am, ao>, al<an, ao>); |
| template <unsigned long, typename...> struct ap; |
| template <unsigned long aq, typename ar, typename... as> |
| struct ap<aq, ar, as...> : ap<1, as...> {}; |
| template <unsigned long aq, typename ar> struct ap<aq, ar> {}; |
| template <typename... at> class au : public ap<0, at...> {}; |
| template <unsigned long p, typename ar, typename... as> |
| struct o<p, au<ar, as...>> : o<p - 1, au<as...>> {}; |
| template <typename ar, typename... as> struct o<0, au<ar, as...>> { typedef ar g; }; |
| template <long p, typename ar> constexpr ar av(ap<p, ar> __t) { return ar (); } |
| template <int p, typename... at> constexpr q<p, au<at...>> aw(au<at...> __t) { av<p>(__t); return q<p, au<at...>> (); } |
| struct bg { typedef s::af af; }; |
| struct F { typedef al<bg::af, int> bk; bk begin(); bk end(); }; |
| void bo() { int t = 0; F cv; for (auto bp : cv) [t, n = k(aw<1>(bp))] {}; } |