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Diffstat (limited to 'compiler/GHC/Tc/Deriv.hs')
| -rw-r--r-- | compiler/GHC/Tc/Deriv.hs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/Tc/Deriv.hs b/compiler/GHC/Tc/Deriv.hs index f12fefcffe..0a873ff05e 100644 --- a/compiler/GHC/Tc/Deriv.hs +++ b/compiler/GHC/Tc/Deriv.hs @@ -1632,7 +1632,7 @@ e.g. newtype S1 = S1 [T1 ()] newtype T1 a = T1 (StateT S1 IO a ) deriving( Monad ) Remember, too, that type families are currently (conservatively) given a recursive flag, so this also allows newtype deriving to work -for type famillies. +for type families. We used to exclude recursive types, because we had a rather simple minded way of generating the instance decl: |