1  /* { dg-do compile } */
       2  /* { dg-options "-Og -fdump-tree-optimized" } */
       3  
       4  extern long long __sdt_unsp;
       5  void
       6  f(void)
       7  {
       8    for (;;)
       9      __asm__ ("%0" :: "i" (((!__extension__ (__builtin_constant_p ((((unsigned long long) (__typeof (__builtin_choose_expr (((__builtin_classify_type (0) + 3) & -4) == 4, (0), 0U))) __sdt_unsp) ) == 0) )) ? 1 : -1) ));
      10  }
      11  
      12  /* { dg-final { scan-tree-dump-not "PHI" "optimized" } } */