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#include <ext/hash_map>
11
12int main()
13{
14    __gnu_cxx::hash_map<int, int> m;
15    m[1] = 1;
16    const __gnu_cxx::hash_map<int, int> &cm = m;
17    cm.find(1)->second = 2;  // error
18}
19