[commit: ghc] master: Ensure that scrutinee constant folding wraps numbers (53e2e70)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/53e2e70a477896d57059b5f12147b69d22a2e2e0/ghc

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commit 53e2e70a477896d57059b5f12147b69d22a2e2e0
Author: Sylvain Henry <hsyl20 at gmail.com>
Date:   Mon Jan 23 21:57:38 2017 -0500

    Ensure that scrutinee constant folding wraps numbers
    
    Test Plan: T13172
    
    Reviewers: rwbarton, simonpj, austin, bgamari
    
    Reviewed By: simonpj, bgamari
    
    Subscribers: simonpj, thomie
    
    Differential Revision: https://phabricator.haskell.org/D3009
    
    GHC Trac Issues: #13172


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53e2e70a477896d57059b5f12147b69d22a2e2e0
 compiler/prelude/PrelRules.hs                      | 92 ++++++++++++++--------
 compiler/simplCore/SimplUtils.hs                   |  2 +-
 testsuite/tests/simplCore/should_run/T13172.hs     | 11 +++
 testsuite/tests/simplCore/should_run/T13172.stdout |  2 +
 testsuite/tests/simplCore/should_run/all.T         |  2 +
 5 files changed, 77 insertions(+), 32 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 53e2e70a477896d57059b5f12147b69d22a2e2e0