https://github.com/bitcoin/bitcoin/blob/68f3c7eb080e461cfeac37f8db7034fe507241d0/src/prevector.h#L152-L158

I'm opening an issue as its fix is too tiny to become a pull request.

Can be solved by renaming the struct to
```c
     struct indirect_contents { 
         size_type capacity; 
         char* indirect; 
     }; 
```
size_type p = pos - begin();
        difference_type count = last - first;
        size_type new_size = size() + count;
        if (capacity() < new_size) {
            change_capacity(new_size + (new_size >> 1));
        }
        T* ptr = item_ptr(p);
        memmove(ptr + count, ptr, (size() - p) * sizeof(T));
        _size += count;
        fill(ptr, first, last);
    }
    inline void resize_uninitialized(size_type new_size) {
        
        
        if (capacity() < new_size) {
            change_capacity(new_size);
            _size += new_size - size();
            return;
        }
        if (new_size < size()) {
            erase(item_ptr(new_size), end());
        } else {
            _size += new_size - size();
        }
    }
    iterator erase(iterator pos) {