Kind checking fails when using PolyKinds

GHC HEAD and earlier versions are failing on the following program:

{-# LANGUAGE PolyKinds #-}
import GHC.Exts(Any)
f = (undefined :: a -> m a) :: Any -> Any Any

../tmp/test-polykinds.hs:3:6:
    Couldn't match kind ‘k1’ with ‘*’
      ‘k1’ is a rigid type variable bound by
           an expression type signature: Any -> Any Any
           at ../tmp/test-polykinds.hs:3:5
    Expected type: Any -> Any Any
      Actual type: Any -> m0 Any
    In the expression: (undefined :: a -> m a) :: Any -> Any Any
    In an equation for ‘f’:
        f = (undefined :: a -> m a) :: Any -> Any Any

Rewriting the program as follows has compilation succeed.

f = (undefined :: a -> m a) `asTypeOf` (undefined :: Any -> Any Any)

And removing the PolyKinds extension also has compilation succeed.

Trac metadata

Trac field	Value
Version	7.8.2
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler (Type checker)
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