crash39.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:

// Copyright (C) 2000 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 10 Jan 2001 <[e-mail]>

// Bug 595. We failed to clear out some things after seeing a duplicate
// struct definition. That caused us to become inconsistent.

struct X
{
  ~X ();
};
struct S { X a; };  // ERROR - previous defn
struct S { X a; };  // ERROR - redefinition

void c1(S s)
{
}