syntax2.c

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

// Build don't link:
// Special g++ Options: -fsyntax-only
// Origin: Mark Mitchell <[e-mail]>

struct B 
{
  double d;
  
  virtual void f ();
};

struct C: virtual public B
{
  char c;
};

struct D: virtual public B
{
  int i;
  virtual void f ();
};

struct E : public C, public D 
{
};

E e;