[Bug rtl-optimization/70826] [7 regression] many test cases fail starting with r235442

[amodra at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70826

Alan Modra <amodra at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2016-04-29
           Assignee|unassigned at gcc dot gnu.org      |amodra at gmail dot com
     Ever confirmed|0                           |1

--- Comment #9 from Alan Modra <amodra at gmail dot com> ---
It looks like a testcase bug.  -frename-regs happens to make main() use cr2,
and there doesn't seem to be anything to prevent that.