/* { dg-do compile } *//* { dg-options "-Wall" } *//* Compile with -Wall to get a warning if built-in and system wchar_t don't   match.  */#define _STDDEF_H#include <wchar.h>__WCHAR_TYPE__ __wc_t__;wchar_t *wc_t_p;voidwct (void){  wc_t_p = &__wc_t__;}