[commit: ghc] master: Unify CallStack handling in ghc (626db8f)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/626db8f82e734e48eef5ce7676a5233f98fe7145/ghc

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

commit 626db8f82e734e48eef5ce7676a5233f98fe7145
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Mon Sep 12 14:54:30 2016 -0400

    Unify CallStack handling in ghc
    
    Here we introduce compatibility wrappers for HasCallStack constraints.
    This is necessary as we must support GHC 7.10.1 which lacks sane call
    stack support. We also introduce another constraint synonym,
    HasDebugCallStack, which only provides a call stack when DEBUG is set.


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

626db8f82e734e48eef5ce7676a5233f98fe7145
 compiler/simplStg/RepType.hs  |  7 +++--
 compiler/typecheck/TcDeriv.hs | 17 ++---------
 compiler/types/TyCoRep.hs     | 65 ++++++-------------------------------------
 compiler/utils/Maybes.hs      |  8 ++----
 compiler/utils/Outputable.hs  | 35 +++++++----------------
 compiler/utils/Util.hs        | 46 +++++++++++++++++++++++++++++-
 6 files changed, 72 insertions(+), 106 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 626db8f82e734e48eef5ce7676a5233f98fe7145