Class B

v2/engine/boehm_gc/tests/test_cpp.cc:73–81

class B: public gc, public A {public:
    /* A collectable class. */

    B( int j ): A( j ) {}
    ~B() {
        my_assert( deleting );}
    static void Deleting( int on ) {
        deleting = on;}
    static int deleting;};

int B::deleting = 0;