[GHC] #10661: Regression: hp2ps reports `integer unexpected` on new style package keys

[GHC]

#10661: Regression: hp2ps reports `integer unexpected` on new style package keys
-------------------------------------+-------------------------------------
        Reporter:  thomie            |                   Owner:
            Type:  bug               |                  Status:  patch
        Priority:  high              |               Milestone:  7.12.1
       Component:  Profiling         |                 Version:  7.11
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
                                     |  concurrent/prog002/concprog002
      Blocked By:                    |                Blocking:
 Related Tickets:  #10550            |  Differential Revisions:  Phab:D1175
-------------------------------------+-------------------------------------

Comment (by thomie):

 Is this fix still needed? I installed a package in the user package
 database with ghc-7.11.20150809, and its package key was
 `rando_7xz1XSr7300DdrwOq0nUDQ`. Note the `rando` prefix.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10661#comment:4>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler