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 struct S { S(); }; // not constexpr
20
main()21 int main()
22 {
23 #if __cplusplus >= 201103L
24 {
25 constexpr std::istream_iterator<S> it;
26 }
27 #else
28 #error "C++11 only test"
29 #endif
30 }
31