1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // UNSUPPORTED: c++03
10 // XFAIL: libcpp-has-debug-mode
11 
12 #include <algorithm>
13 #include <vector>
14 
15 std::vector<int> ca_allocs;
16 
main(int,char **)17 int main(int, char**) {
18   ca_allocs.push_back(0);
19   for ([[maybe_unused]] const auto& a : ca_allocs)
20     ;
21 
22   return 0;
23 }
24