Getting error about unused instances during "sh validate"

Thu Jun 12 11:31:22 UTC 2014

Hello guys,

am I the only one to get the following when I run "sh validate"?

libraries/base/Data/Maybe.hs:139:1: Warning:
   Defined but not used: ‘mapMaybeFB’

<no location info>:
Failing due to -Werror.
make[1]: *** [libraries/base/dist-install/doc/html/base/base.haddock] Error
1
make[1]: *** Waiting for unfinished jobs....
make: *** [all] Error 2

I'm working on this ticket, but I can't see how that can be related:

https://ghc.haskell.org/trac/ghc/ticket/8226

Thanks!
Alfredo
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