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Opt_ImplicitImportQualified doesn't work for constructor field name

-- ghci -fimplicit-import-qualified
Prelude> let tree = Data.Tree.Node 0 []
Prelude> Data.Tree.rootLabel tree
0
Prelude> let f i j = i { Data.Tree.rootLabel = j }

<interactive>:4:17:
    Data.Tree.rootLabel is not a (visible) constructor field name
Prelude> import qualified Data.Tree
Prelude Data.Tree> let f i j = i { Data.Tree.rootLabel = j }
Prelude Data.Tree> f tree 1
Node {rootLabel = 1, subForest = []}
Trac metadata
Trac field Value
Version 7.10.1
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component GHCi
Test case
Differential revisions
BlockedBy
Related
Blocking
CC hvr
Operating system
Architecture
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