Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp1y/var-templ62.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// PR c++/90227 // { dg-do compile { target c++14 } } template <int b> struct c { static constexpr int d = b; typedef c e; }; template <bool, typename a> using f = a; template <bool g> using h = c<g>; template <int g> using i = c<g>; template <typename...> struct ab {}; template <typename... j> struct k { using e = ab<j...>; }; template <typename> struct ad; template <typename j, typename... l> struct ad<ab<j, l...>> { using e = ab<l...>; }; template <typename> struct ae; template <typename... m> struct ae<ab<m...>> : i<sizeof...(m)> {}; template <typename af, int, int = ae<af>::d> struct ag; template <typename... m> struct ag<ab<m...>, 0, 0> { using e = ab<>; }; template <typename... m, int ah> struct ag<ab<m...>, 0, ah> : k<typename ag<typename ad<ab<m...>>::e, ah - 1>::e> {}; template <typename... m, int ai, int ah> struct ag<ab<m...>, ai, ah> : ag<typename ad<ab<m...>>::e, ai - 1> {}; template <typename, template <typename> class> struct aj; template <typename... j, template <typename> class ak> struct aj<ab<j...>, ak> { using e = ab<typename ak<j>::e...>; }; template <unsigned long> struct an; struct ao { typedef an<0> ap; }; template <typename a, a...> struct aq {}; template <typename, typename = ao::ap> struct as; template <typename a, unsigned long... at> struct as<a, an<at...>> { typedef aq<a> ap; }; template <typename a, a> using au = typename as<a>::ap; template <long... at> using av = aq<unsigned long, at...>; template <long ar> using aw = au<unsigned long, ar>; struct ay { using e = h<c<false>::d>; }; template <typename, template <typename> class, typename...> struct bb : ay::e {}; struct bd { using e = av<>; }; struct bg { using e = bd::e; }; namespace bi { enum bj { bk }; struct bo { enum n { bp }; }; struct bq { bool br; static const bo::n bs = bo::bp; }; template <typename bv> struct bw { using e = bv; }; template <typename, bj, int, typename...> class bx; template <typename bv, bj by, int bz, typename... j, long... anchors> struct bx<bv, by, bz, ab<j...>, av<anchors...>> : bo { static const n bs = bv::bs; static const long ca = sizeof bv::br; using cb = int; using cc = ab<j...>; using cd = typename ag<cc, bz>::e; using ce = typename ag<cc, bz>::e; using cf = aw<ca>; using cg = typename bw<bv>::e; using ch = decltype(cg()(cb(), cd(), ce(), cf())); }; class ck; template <typename> struct cl : c<false> {}; template <typename bv, bj by, int bz, typename... j> struct bx<bv, by, bz, ab<j...>> : public bx<bv, by, bz, typename aj<ab<j...>, cl>::e, bg::e> {}; } using bi::bj; using bi::ck; template <typename cn> class co { template <typename p> co(p) { c<cn::bs>(); } static co o; }; namespace bi { template <typename> class cp; template <typename j> using cq = bb<j, cp>; template <typename, typename cr> void cs(cr, f<cq<cr>::d, void *> = nullptr); } using bi::cs; struct cu : bi::bq { template <typename... cw, typename... cx> auto operator()(int q, ab<cw...>, ab<cx...>, av<>) { cs<cw...>(q); } }; template <> co<bi::bx<cu, bj::bk, 1, ab<int, ck>>> co<bi::bx<cu, bj::bk, 1, ab<int, ck>>>::o(0);