[Bug testsuite/49741] make -k check-c++0x not multilib aware

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49741

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2011.07.15 04:01:39
         AssignedTo|unassigned at gcc dot       |jason at gcc dot gnu.org
                   |gnu.org                     |
     Ever Confirmed|0                           |1

--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> 2011-07-15 
04:01:39 UTC ---
Created attachment 24772
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24772
Patch to use --zadditional_options instead of --tool_opts

Does this work better?