vbase8-9.c

this is a gcc file, you can download it and learn its usetility, for further detail please look at t

// Special g++ Options: -ansi -pedantic-errors -w

// Copyright (C) 2001 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 14 Jun 2001 <[e-mail]>

// Bug 3145, generated by script provided by [e-mail]
// This is case number 9

class C0
{};
class C1
 :  public C0
{};
class C2
 :  public C1
 ,  public C0
{};
class C3
 :  virtual public C0
 ,  public C2
 ,  virtual public C1
{};
class C4
 :  virtual public C2
 ,  public C0
 ,  virtual public C3
 ,  public C1
{};
class C5
 :  public C0
 ,  public C1
 ,  public C4
 ,  virtual public C2
 ,  public C3
{};
class C6
 :  public C1
 ,  public C3
 ,  virtual public C5
 ,  virtual public C2
 ,  public C0
 ,  virtual public C4
{};
class C7
 :  virtual public C1
 ,  virtual public C0
 ,  public C6
 ,  virtual public C2
 ,  public C5
{};
class C8
 :  virtual public C1
 ,  virtual public C4
 ,  public C0
 ,  virtual public C7
 ,  virtual public C2
{};
class C9
 :  virtual public C1
 ,  virtual public C6
 ,  public C8
 ,  virtual public C2
 ,  public C0
{};
int main() {
  C0 c0;
  C1 c1;
  C2 c2;
  C3 c3;
  C4 c4;
  C5 c5;
  C6 c6;
  C7 c7;
  C8 c8;
  C9 c9;
}