[commit: nofib] master: Fix fannkuch-redux for GHC<=8.2 (40748b3)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/40748b305de4197ba8cfe178cea87a8234cf534b/nofib

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commit 40748b305de4197ba8cfe178cea87a8234cf534b
Author: Ömer Sinan Ağacan <omeragacan at gmail.com>
Date:   Wed Jan 17 14:39:10 2018 +0300

    Fix fannkuch-redux for GHC<=8.2
    
    Reviewers: O26 nofib
    
    Differential Revision: https://phabricator.haskell.org/D4320


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40748b305de4197ba8cfe178cea87a8234cf534b
 shootout/fannkuch-redux/Main.hs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/shootout/fannkuch-redux/Main.hs b/shootout/fannkuch-redux/Main.hs
index b920e9f..c2705ba 100644
--- a/shootout/fannkuch-redux/Main.hs
+++ b/shootout/fannkuch-redux/Main.hs
@@ -23,6 +23,7 @@ instance Semigroup F where
 
 instance Monoid F where
 	mempty = F 0 0
+	mappend = (<>)
 
 incPtr = (`advancePtr` 1)
 decPtr = (`advancePtr` (-1))