[Bug tree-optimization/56918] [4.8 Regression] incorrect auto-vectorization of array initialization

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56918

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2013-04-11
      Known to work|                            |4.9.0
   Target Milestone|---                         |4.8.1
            Summary|incorrect                   |[4.8 Regression] incorrect
                   |auto-vectorization of array |auto-vectorization of array
                   |initialization              |initialization
     Ever Confirmed|0                           |1
      Known to fail|                            |4.8.0

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> 2013-04-11 11:42:49 UTC ---
extern void abort (void);
double data[4];
int main()
{
  int i;
  for (i = 0; i < 2 * 2; ++i)
    data[i] = ((i + 2) % 3) + 1;
  if (data[0] != 3)
    abort ();
  return 0;
}

Seems to work on trunk.