1// { dg-do run }
2
3#include <iostream>
4#include <sstream>
5
6int main()
7{
8  std::basic_ostringstream<char> ostr;
9  std::ostreambuf_iterator<char> iter(ostr.rdbuf());
10  *iter++ = 'X';
11
12
13  std::cout << ostr.str() << '\n';
14  return 0;
15}
16