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// HP-UX libunwind.so doesn't provide _UA_END_OF_STACK.

// { dg-do run { xfail "ia64-hp-hpux11.*" } }

// Test that forced unwinding calls std::unexpected going

// through a nothrow function.

#include 

#include 

#include 

#include 

static _Unwind_Reason_Code

force_unwind_stop (int version, _Unwind_Action actions,

                   _Unwind_Exception_Class exc_class,

                   struct _Unwind_Exception *exc_obj,

                   struct _Unwind_Context *context,

                   void *stop_parameter)

{

  if (actions & _UA_END_OF_STACK)

    abort ();

  return _URC_NO_REASON;

}

static void __attribute__((noreturn))

force_unwind ()

{

  _Unwind_Exception *exc = new _Unwind_Exception;

  // exception_class might not be a scalar.

  memset (&exc->exception_class, 0, sizeof (exc->exception_class));

  exc->exception_cleanup = 0;

#ifndef __USING_SJLJ_EXCEPTIONS__

  _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);

#else

  _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);

#endif

  abort ();

}

static void

handle_unexpected ()

{

  exit (0);

}

static void

doit () throw()

{

  force_unwind ();

}

int main()

{

  std::set_unexpected (handle_unexpected);

  doit ();

  abort ();

}