full module names of names not in scope have gone missing in ghci

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rwbarton@morphism:/tmp$ ghci-7.10.1
GHCi, version 7.10.1: http://www.haskell.org/ghc/  :? for help
Prelude> :t GHC.Read.readPrec
GHC.Read.readPrec
  :: Read a => Text.ParserCombinators.ReadPrec.ReadPrec a

with

rwbarton@morphism:/tmp$ ~/ghc/inplace/bin/ghc-stage2 --interactive
GHCi, version 7.11.20150624: http://www.haskell.org/ghc/  :? for help
Prelude> :t GHC.Read.readPrec
GHC.Read.readPrec :: Read a => ReadPrec a

The Text.ParserCombinators.ReadPrec. bit can be quite helpful, was it suppressed intentionally?

Trac metadata

Trac field	Value
Version	7.11
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	GHCi
Test case
Differential revisions
BlockedBy
Related
Blocking
CC	hvr
Operating system
Architecture