gcc/testsuite/g++.dg/abi/mangle76.C

   1 // PR c++/98545
   2 // { dg-do compile { target c++11 } }
   3 // { dg-options "-Wabi=14" }
   4
   5 class a {
   6 public:
   7   a();
   8   template <typename b> a(b);
   9 };
  10 template <class = double> using c = a;
  11 class f {
  12 protected:
  13   template <class d, class e> void operator()(d, double, e);
  14 };
  15 class i : f {
  16 public:
  17   template <class... g>
  18   [[gnu::used]] auto h(g...) -> decltype(operator()(g()...)) {} // { dg-warning "mangled name" }
  19 // { dg-final { scan-assembler "_ZN1i1hIJ1adS1_EEEDTcldtdefpTonclspcvT__EEEDpS2_" } }
  20 };
  21 template <class> class C {
  22 public:
  23   template <class j> C(j);
  24   i k() const;
  25   int operator()() {
  26     int l = 10;
  27     c<> m, n;
  28     operator()(m, l, n);
  29     return 0;
  30   }
  31   int operator()(c<> &, c<> const &, c<> const &) const;
  32   template <class d, class e> void k(d m, double gamma, e o) const {
  33     k().h(m, gamma, o);
  34   }
  35 };
  36 template <class r> int C<r>::operator()(c<> &, c<> const &, c<> const &) const {
  37   [&](c<> m, double gamma, c<> o) { k(m, gamma, o); };
  38   return 0;
  39 }
  40 c<> p = C<double>(p)();