[Bug tree-optimization/31605] [4.3 Regression] VRP eliminates a useful test due with conversion from unsigned int to int

[pinskia at gcc dot gnu dot org]

------- Comment #2 from pinskia at gcc dot gnu dot org  2007-04-17 15:28 -------
Here is a reduced testcase without the other ranges:
int put_field (unsigned int start)
{
  int cur_bitshift;
  if (start <= 4294967288U)
    return start;
  cur_bitshift = start;

  if (cur_bitshift > -8)
    not_removed ();
  return 0;
}


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2007-04-17 15:28:24
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31605