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authorRichard Eisenberg <rae@richarde.dev>2021-01-04 11:07:00 -0500
committerMarge Bot <ben+marge-bot@smart-cactus.org>2021-01-09 21:19:45 -0500
commitc8c63dde01686a96af4dabcced78110368efaec3 (patch)
treeb8801ecd61c343c18cf05fee157886e37554b244 /testsuite/tests/typecheck/should_compile/T17562b.hs
parentf88fb8c7d803f9d3bf245fa4bd9c50f7a2bd3c5b (diff)
downloadhaskell-c8c63dde01686a96af4dabcced78110368efaec3.tar.gz
Never Anyify during kind inference
See Note [Error on unconstrained meta-variables] in TcMType. Close #17301 Close #17567 Close #17562 Close #15474
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diff --git a/testsuite/tests/typecheck/should_compile/T17562b.hs b/testsuite/tests/typecheck/should_compile/T17562b.hs
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+{-# LANGUAGE QuantifiedConstraints, MultiParamTypeClasses, TypeFamilies #-}
+-- NB: No PolyKinds
+
+module T17562b where
+
+class (forall a. a b ~ a c) => C b c