[commit: ghc] master: Revert "Refactor Digraph to use Data.Graph when possible" (fe3cf4d)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/fe3cf4d277b55f99feb9e143705d414f8ca7133b/ghc

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commit fe3cf4d277b55f99feb9e143705d414f8ca7133b
Author: Edward Z. Yang <ezyang at cs.stanford.edu>
Date:   Mon Mar 9 13:14:13 2015 -0700

    Revert "Refactor Digraph to use Data.Graph when possible"
    
    This breaks the build with GHC 7.6 bootstrapping, since the Functor SCC
    instance is not available.
    
    This reverts commit c439af5f5baa2c8af3434652554135230edbf5c3.


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fe3cf4d277b55f99feb9e143705d414f8ca7133b
 compiler/utils/Digraph.hs    | 300 +++++++++++++++++++++++++++++++++++++------
 compiler/utils/Outputable.hs |   5 -
 2 files changed, 264 insertions(+), 41 deletions(-)

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

    git diff-tree --root --patch-with-stat --no-color --find-copies-harder --ignore-space-at-eol --cc fe3cf4d277b55f99feb9e143705d414f8ca7133b