diff options
Diffstat (limited to 'compiler/GHC/Tc/Instance/FunDeps.hs')
| -rw-r--r-- | compiler/GHC/Tc/Instance/FunDeps.hs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/GHC/Tc/Instance/FunDeps.hs b/compiler/GHC/Tc/Instance/FunDeps.hs index b11ed10efc..710750a57d 100644 --- a/compiler/GHC/Tc/Instance/FunDeps.hs +++ b/compiler/GHC/Tc/Instance/FunDeps.hs @@ -633,7 +633,7 @@ In checkFunDeps we check that a new ClsInst is consistent with all the ClsInsts in the environment. The bogus aspect is discussed in #10675. Currently it if the two -types are *contradicatory*, using (isNothing . tcUnifyTys). But all +types are *contradictory*, using (isNothing . tcUnifyTys). But all the papers say we should check if the two types are *equal* thus not (substTys subst rtys1 `eqTypes` substTys subst rtys2) For now I'm leaving the bogus form because that's the way it has |