1  /* PR c/11449.  */
       2  
       3  /* sign_bit_p() in fold-const.c failed to notice that (int) 0x80000000
       4     was the sign bit of m.  As a result, fold_single_bit_test()
       5     returned ((unsigned int) m >> 31), and that was eventually passed
       6     to invert_truthvalue(), which did not know how to handle
       7     RROTATE_EXPR, causing an ICE.  */
       8  
       9  int
      10  foo (int m)
      11  {
      12    return !(m & ((int) 0x80000000));
      13  }