gcc/testsuite/g++.dg/init/elide5.C

   1 // PR c++/71913
   2 // { dg-do link { target c++11 } }
   3
   4 void* operator new(decltype(sizeof(1)), void* p) { return p; }
   5
   6 struct IndirectReturn {
   7   IndirectReturn() {}
   8   // Undefined so we get a link error if the indirect return value is copied
   9   IndirectReturn(const IndirectReturn&);
  10   IndirectReturn& operator=(const IndirectReturn&) = delete;
  11   ~IndirectReturn() {}
  12 };
  13
  14 IndirectReturn foo() { return IndirectReturn(); }
  15
  16 void bar(void* ptr) {
  17   new (ptr) IndirectReturn(foo());
  18 }
  19
  20 alignas (alignof (IndirectReturn))
  21 unsigned char c[sizeof(IndirectReturn)];
  22
  23 int main()
  24 {
  25   bar(c);
  26 }