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  • #10315

Closed
Open
Opened Apr 16, 2015 by Alan Zimmerman@alanzDeveloper

ApiAnnotations : Empty context loses annotations

A type signature of the form

bar :: (   ) => a-> Bool

generates annotations for the ( ) => but the SrcSpan they are attached to is discarded so the annotations are not attached to the AST.

The discarding process happens in

mkHsForAllTy exp tvs (L _ []) ty = mk_forall_ty exp tvs ty

where the empty located context is discarded.

Trac metadata
Trac field Value
Version 7.10.1
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Compiler
Test case
Differential revisions
BlockedBy
Related
Blocking
CC mpickering
Operating system
Architecture
Assignee
Assign to
7.10.2
Milestone
7.10.2 (Past due)
Assign milestone
Time tracking
None
Due date
None
Reference: ghc/ghc#10315