[commit: ghc] ghc-7.6: Only promote *non-existential* data constructors (4b380f1)

Repository : ssh://darcs.haskell.org//srv/darcs/ghc

On branch  : ghc-7.6

http://hackage.haskell.org/trac/ghc/changeset/4b380f192d1b3f7455e7c2bb9bf3ebe6c6b5e7ca

>---------------------------------------------------------------

commit 4b380f192d1b3f7455e7c2bb9bf3ebe6c6b5e7ca
Author: Simon Peyton Jones <[email protected]>
Date:   Fri Oct 19 12:53:21 2012 +0100

    Only promote *non-existential* data constructors
    
    I don't konw how this was left out before; Trac #7347.
    
    In fixing this I did the usual round of refactoring.  In particular, I
    cached the fact that a DataCon can be promoted in the DataCon
    itself (the dcPromoted field).

 compiler/basicTypes/DataCon.lhs |   69 ++++++++++++++++++++------------------
 compiler/iface/TcIface.lhs      |    4 +-
 compiler/prelude/TysWiredIn.lhs |    6 ++--
 compiler/types/TyCon.lhs        |    2 +-
 4 files changed, 42 insertions(+), 39 deletions(-)


Diff suppressed because of size. To see it, use:

    git show 4b380f192d1b3f7455e7c2bb9bf3ebe6c6b5e7ca