[commit: ghc] wip/ghc-8.0-det: Kill varEnvElts in specImports (24da27c)

[git at git.haskell.org]

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

On branch  : wip/ghc-8.0-det
Link       : http://ghc.haskell.org/trac/ghc/changeset/24da27c59d90b2a7e73f4458a2717c619dd91158/ghc

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commit 24da27c59d90b2a7e73f4458a2717c619dd91158
Author: Bartosz Nitka <niteria at gmail.com>
Date:   Thu May 12 06:55:00 2016 -0700

    Kill varEnvElts in specImports
    
    We need the order of specialized binds and rules to be deterministic,
    so we use a deterministic set here.
    
    Test Plan: ./validate
    
    Reviewers: simonmar, bgamari, austin, simonpj
    
    Reviewed By: simonpj
    
    Subscribers: thomie
    
    Differential Revision: https://phabricator.haskell.org/D2197
    
    GHC Trac Issues: #4012


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24da27c59d90b2a7e73f4458a2717c619dd91158
 compiler/basicTypes/VarEnv.hs     | 25 +++++++++++++++++++++++--
 compiler/specialise/Specialise.hs | 28 ++++++++++++++++++----------
 compiler/utils/UniqDFM.hs         | 32 ++++++++++++++++++++++++++++++++
 3 files changed, 73 insertions(+), 12 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 24da27c59d90b2a7e73f4458a2717c619dd91158