1#include <queue>
2#include <vector>
3
4int main() {
5 std::queue<int> q1{{1,2,3,4,5}};
6 std::queue<int, std::vector<int>> q2{{1,2,3,4,5}};
7 int ret = q1.size() + q2.size(); // break here
8 return ret;
9}
10

source code of lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/queue/main.cpp