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
main()12 int 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