1  /* { dg-do compile } */
       2  /* { dg-options "-std=gnu99 -O" } */
       3  
       4  static unsigned long global_max_fast;
       5  
       6  void __libc_mallopt (int param_number, int value)
       7  {
       8   __asm__ __volatile__ ("# %[_SDT_A21]" :: [_SDT_A21] "nor" ((global_max_fast)));
       9   global_max_fast = 1;
      10  }