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Panic with partial type signatures

Attempting to check kind of type hole _ in GHCi or putting it in a TH quotation causes a panic rnHsTyKi HsWildcardTy:

:kind _

let x = [t|_|]
Trac metadata
Trac field Value
Version 7.9
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Compiler (Type checker)
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system
Architecture
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