[commit: ghc] master: Make XNegativeLiterals treat -0.0 as negative 0 (0279b74)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/0279b745c29213c479b61f864ca5d3d2ae76ac77/ghc

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

commit 0279b745c29213c479b61f864ca5d3d2ae76ac77
Author: Nolan <nolane16 at gmail.com>
Date:   Mon May 8 17:46:22 2017 -0400

    Make XNegativeLiterals treat -0.0 as negative 0
    
    Reviewers: austin, goldfire, bgamari
    
    Reviewed By: bgamari
    
    Subscribers: rwbarton, thomie, mpickering
    
    GHC Trac Issues: #13211
    
    Differential Revision: https://phabricator.haskell.org/D3543


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

0279b745c29213c479b61f864ca5d3d2ae76ac77
 compiler/basicTypes/BasicTypes.hs                  | 62 +++++++++++++++++++---
 compiler/deSugar/Check.hs                          | 20 ++++---
 compiler/deSugar/DsExpr.hs                         |  4 +-
 compiler/deSugar/DsMeta.hs                         |  7 +--
 compiler/deSugar/Match.hs                          |  8 +--
 compiler/deSugar/MatchLit.hs                       | 21 ++++----
 compiler/hsSyn/Convert.hs                          | 11 ++--
 compiler/hsSyn/HsLit.hs                            | 32 ++++++-----
 compiler/hsSyn/HsUtils.hs                          | 10 ++--
 compiler/parser/Lexer.x                            | 29 ++++++----
 compiler/parser/Parser.y                           | 28 +++++-----
 compiler/rename/RnExpr.hs                          |  7 ++-
 compiler/rename/RnPat.hs                           | 60 ++++++++++++++++-----
 compiler/typecheck/Inst.hs                         |  6 +--
 compiler/typecheck/TcGenDeriv.hs                   |  9 ++--
 compiler/typecheck/TcHsSyn.hs                      | 12 ++---
 .../ghc-api/annotations-literals/literals.stdout   | 12 ++---
 .../tests/ghc-api/annotations-literals/parsed.hs   |  4 +-
 testsuite/tests/parser/should_run/NegativeZero.hs  | 25 +++++++++
 .../should_run/NegativeZero.stdout}                |  1 +
 testsuite/tests/parser/should_run/all.T            |  1 +
 testsuite/tests/perf/compiler/all.T                |  6 ++-
 22 files changed, 253 insertions(+), 122 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 0279b745c29213c479b61f864ca5d3d2ae76ac77