virtual5.c

gcc-you can use this code to learn something about gcc, and inquire further into linux,

// Build don't link:
// Special g++ Options: -w
// Origin: Derived from code by Andris Pavenis <[e-mail]>

class vector {};

class V
{
};

class A : public vector
{
};

class B : public A, virtual V, public vector
{
  B() {}
};