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Diffstat (limited to 'compiler/GHC/Tc/Gen/App.hs')
| -rw-r--r-- | compiler/GHC/Tc/Gen/App.hs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/GHC/Tc/Gen/App.hs b/compiler/GHC/Tc/Gen/App.hs index c8c1730b35..44a35028cd 100644 --- a/compiler/GHC/Tc/Gen/App.hs +++ b/compiler/GHC/Tc/Gen/App.hs @@ -1222,6 +1222,8 @@ tcTagToEnum tc_fun fun_ctxt tc_args res_ty vanilla_result = rebuildHsApps tc_fun fun_ctxt tc_args res_ty check_enumeration ty' tc + | -- isTypeDataTyCon: see Note [Type data declarations] in GHC.Rename.Module + isTypeDataTyCon tc = addErrTc (TcRnTagToEnumResTyTypeData ty') | isEnumerationTyCon tc = return () | otherwise = addErrTc (TcRnTagToEnumResTyNotAnEnum ty') |