libstdc++-v3/testsuite/23_containers/array/iterators/begin_end.cc

   1 // { dg-do compile { target c++11 } }
   2
   3 #include <array>
   4
   5 #pragma GCC push_options
   6 #pragma GCC optimize "0"
   7
   8 extern void
   9 sink (const void*, ...);
  10
  11 void
  12 test01()
  13 {
  14   {
  15     const std::size_t len = 1;
  16     typedef std::array<int, len> array_type;
  17     typedef array_type::iterator iterator;;
  18     array_type a;
  19
  20     iterator b = a.begin();           // { dg-bogus "-Wmaybe-uninitialized" }
  21     iterator e = a.end();             // { dg-bogus "-Wmaybe-uninitialized" }
  22
  23     sink(&b, &e);
  24   }
  25
  26   {
  27     const std::size_t len = 3;
  28     typedef std::array<int, len> array_type;
  29     typedef array_type::reverse_iterator reverse_iterator;
  30     array_type a;
  31
  32     reverse_iterator b = a.rbegin();  // { dg-bogus "-Wmaybe-uninitialized" }
  33     reverse_iterator e = a.rend();    // { dg-bogus "-Wmaybe-uninitialized" }
  34
  35     sink(&b, &e);
  36   }
  37 }
  38
  39 #pragma GCC pop_options