1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <iterator> 11 12 // class istream_iterator 13 14 // constexpr istream_iterator(); 15 16 #include <iterator> 17 #include <cassert> 18 19 #include "test_macros.h" 20 21 struct S { S(); }; // not constexpr 22 23 int main() 24 { 25 #if TEST_STD_VER >= 11 26 { 27 constexpr std::istream_iterator<S> it; 28 } 29 #else 30 #error "C++11 only test" 31 #endif 32 } 33
