llvm-project/llvm/test/Regression/C++Frontend/pointer_member.cpp

#include <stdio.h>

struct B { int i, j; };
struct D : public B {};
int D::*di = &D::i;
int D::*dj = &D::j;

int main() {
  D d;
  d.i = d.j = 0;
  d.*di = 4;
  d.*dj = 7;

  printf("%d %d\n", d.i, d.j);

  return 0;
}