#include <stdio.h>

#ifndef N

# define N 0

#endif

static __thread int var = 4;

int

test (void)

{

  int *p = &var;

  /* GCC assumes &var is never NULL, add optimization barrier.  */

  asm volatile ("" : "+r" (p));

  if (p == NULL || *p != 4)

    {

      printf ("fail %d %p\n", N, p);

      return 1;

    }

  return 0;

}