[GHC] #13072: Move large tuples to a separate module in base

[GHC]

#13072: Move large tuples to a separate module in base
-------------------------------------+-------------------------------------
        Reporter:  rwbarton          |                Owner:  rwbarton
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  libraries/base    |              Version:  8.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by rwbarton):

 Replying to [comment:11 simonpj]:
 > > Should we also be assuming that if module A is one of our directly
 imported modules and A's dep_finsts are [B,C,D] that A has been checked
 against each of B, C, D?
 >
 > Yes I think so. Otherwise compilation of A should fail!  Make a test
 case and check that it really does!

 It currently doesn't. I have a patch Phab:D2947 to fix this, but it needs
 to be cleaned up and a test added.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13072#comment:12>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler