C4101: Address of bitfield is illegal

[ERROR]

The address of a bitfield was taken.

  typedef struct A {

  

    int bf1:1;

  

  } A;

  

  void f() {

  

    A a;

  

    if(&a.bf1);

  

  }

  

Use a "normal" integral member type, if you really need to have the address.