c++代码，程序偶尔有pure virtual method called打印

参考链接二有一个复现场景

找这种场景就可以了

真是惊奇，这种场景我以为编译器会抓到

ref

  1. https://stackoverflow.com/questions/10707286/how-to-resolve-pure-virtual-method-called
  2. https://devblogs.microsoft.com/oldnewthing/20131011-00/?p=2953