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`pprint EqualityT` infinitely loops

I was very surprised to discover that this program loops infinitely:

module Main where

import Language.Haskell.TH

main :: IO ()
main = print $ pprint EqualityT

Let's not do that. Patch incoming.

Trac metadata
Trac field Value
Version 8.6.2
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Template Haskell
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture
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