old-autovect-branch/gcc/testsuite/gcc.c-torture/compile/20030707-1.c

   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 }