// HP-UX libunwind.so doesn't provide _Unwind_ForcedUnwind.// { dg-do run { xfail "ia64-hp-hpux11.*" } }// Test that forced unwinding calls std::unexpected going // throw a nothrow function.#include <unwind.h>#include <stdlib.h>#include <exception>static _Unwind_Reason_Codeforce_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;  exc->exception_class = 0;  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 voidhandle_unexpected (){  exit (0);}static voiddoit () throw(){  force_unwind ();}int main(){   std::set_unexpected (handle_unexpected);  doit ();  abort ();}