c++ - dynamic_bitset，让我的程序崩溃

Question

我是 boost 的新手。我有一个使用 dynamic_bitset 的程序在 lambda 函数中。在我尝试运行该程序后，我收到了这条消息。即使没有初始化 bitset 的函数也会出现此消息以及处理它的函数。

有人知道这条消息是什么意思吗？可能是什么问题？

讯息:

/usr/include/boost/dynamic_bitset/dynamic_bitset.hpp:616: boost::dynamic_bitset<Block, Allocator>::~dynamic_bitset() [with Block = long unsigned int, Allocator = std::allocator<long unsigned int>]: Assertion 'm_check_invariants()' failed. Aborted

代码是这样的
对该函数的主要调用:

int Molecule::initSimilarity(int depth){
    cout << "_size is: " << _size << "\t depth is: " << depth << endl; //TODO delete
    AtomSet viewing(_size);
    int m = 0;
    {
        // break into initial groups by symbol and valancy
        for(int i=0 ; i<_size ; i++)
        {
            if(viewing[i]) continue;
            AtomSet mask = getSetMask( //AtomSet is typedef for dynamic_bitset
                [&](const Atom& b)->bool
                {
                    return (!viewing[b._index] && b._valence == _atoms[i]->_valence && strcmp(b._symbol, _atoms[i]->_symbol) == 0);
                },
                [&](Atom &b)
                {
                    b._class = m; //set the equivalence class of atom 'b' to 'm'
                }
            );
            m++;
            viewing |= mask; //viewing now contains a set of atoms and for each atom it's equivalence class
        }
        cout << "number of equivalence class: " << m << endl; //TODO DELETE!
    }    
    for (int j = 0; j < depth ; j++){
        AtomSet viewed(_size);

        int before = m;
        // iteratively refine the breakdown into groups
        for (int i = 0 ; i < _size ; i++)   //for any atom A
        {
            if (viewed[i]) continue;
            viewed.flip(i);
            AtomSet mask = getSetMask(//put all atoms which are equivalnt but not similar to A in
                //their own equivalence class
                [&](const Atom& b)->bool
                {
                    if (viewed[b._index])
                        return false; //if b is in viewed return false;
                    if (_atoms[i]->_class == b._class) //if in the same class add b to viewed
                    {
                        viewed.flip(b._index);
                        bool similar = !isSimilar(*_atoms[i],b);
                        return similar;
                    }
                    return false;
                },
                [&m](Atom& b)
                {
                    b._class = m;
                }
            );
            if (!mask.none()) m++;
        }
        if (before == m){
            std::cout << "Finished early after just " << j << " iterations" << std::endl;
            return m;
        }
    }
    return m;
}

getSetMask 的签名是:AtomSet getSetMask(std::function property, std::function action);

最奇怪的是，即使我删除了该函数的所有内容，它仍然给我错误消息

Answer 1

可能您在 lambda 中引用的 dynamic_bitset 变量已经超出范围并且已经被销毁，或者类似的东西。 (没有源码很难说得更具体)