1  /* { dg-do compile } */
       2  /* { dg-options "-O" } */
       3  
       4  int x;
       5  
       6  void foo (void)
       7  {
       8    char r;
       9  
      10    asm ("" : "=@ccae"(r));
      11  
      12    if (!r)
      13      x = 0;
      14  }
      15  
      16  /* { dg-final { scan-assembler "jnc" } } */