1  /* { dg-do compile } */
       2  /* { dg-options "-O1" } */
       3  
       4  /* Test that %yN does not cause an internal error if used incorrectly.  */
       5  
       6  int f(int *a)
       7  {
       8    asm ("#%y0" : "=m"(a[2])); /* { dg-error "try using the 'Z' constraint" } */
       9    asm ("#%y0" : "=m"(a[1])); /* { dg-error "try using the 'Z' constraint" } */
      10    asm ("#%y0" : "=m"(a[0]));
      11  }