[Bug tree-optimization/66165] [6 Regression] vect_transform_slp_perm_load: vec out of range ?

[miyuki at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66165

Mikhail Maltsev <miyuki at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
      Known to work|                            |4.9.2, 5.1.0
           Keywords|                            |ice-on-valid-code
   Last reconfirmed|                            |2015-05-16
          Component|c++                         |tree-optimization
                 CC|                            |miyuki at gcc dot gnu.org
     Ever confirmed|0                           |1
            Summary|vect_transform_slp_perm_loa |[6 Regression]
                   |d: vec out of range ?       |vect_transform_slp_perm_loa
                   |                            |d: vec out of range ?

--- Comment #1 from Mikhail Maltsev <miyuki at gcc dot gnu.org> ---
Confirmed. Reduced testcase:

void foo(double *d, double *a)
{
    d[0] += d[2];
    d[1] += d[3];
    d[2] += d[4];
    d[3] += d[5];
    a[0] = d[0];
    a[1] = d[1];
}

Started with r222846.