debug6.c

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

// Build don't link:
// Special g++ Options: -g -O2

//  Copyright (C) 1999 Free Software Foundation, Inc.
//  Contributed by Nathan Sidwell 21 Nov 1999 <[e-mail]>

// This causes assember relocation errors

struct X
{
  virtual ~X () {}
};

struct Y
{
  Y (){};
};

void foo ()
{
  X *x = new X;
  x->~X ();
  Y ys[2];
}