[Bug rtl-optimization/78638] [7 regression] test cases gcc.target/powerpc/rlwimi-0.c and rlwimi-2.c fail starting with r243000

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78638

Segher Boessenkool <segher at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2016-12-01
                 CC|                            |segher at gcc dot gnu.org
           Assignee|unassigned at gcc dot gnu.org      |segher at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Segher Boessenkool <segher at gcc dot gnu.org> ---
No, it most likely means not everything is optimised as it should any more.
But for some reason I do not see this.  Huh.