Proposal: instance MonadIO Q

[Ryan Scott]

It looks like GHC's internal MonadIO was replaced with the one from
transformers in 2013 [1], so this is already fixed.

Also, +1 on the MonadIO to base suggestion, now that's there's some
momentum behind that idea.

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[1] http://git.haskell.org/ghc.git/blobdiff/b13d546f9c454e6d2a15c20a3e10ec47328e33db..71feb1025eed0c3cc849c85e2b00e16bc1a21790:/compiler/utils/MonadUtils.hs