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-rw-r--r--compiler/GHC/Tc/TyCl/Utils.hs3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/GHC/Tc/TyCl/Utils.hs b/compiler/GHC/Tc/TyCl/Utils.hs
index 1ce9ef8f82..347a7e57ff 100644
--- a/compiler/GHC/Tc/TyCl/Utils.hs
+++ b/compiler/GHC/Tc/TyCl/Utils.hs
@@ -906,7 +906,8 @@ mkOneRecordSelector all_cons idDetails fl has_sel
|| has_sel == NoFieldSelectors
sel_ty | is_naughty = unitTy -- See Note [Naughty record selectors]
| otherwise = mkForAllTys (tyVarSpecToBinders data_tvbs) $
- mkPhiTy (conLikeStupidTheta con1) $ -- Urgh!
+ -- Urgh! See Note [The stupid context] in GHC.Core.DataCon
+ mkPhiTy (conLikeStupidTheta con1) $
-- req_theta is empty for normal DataCon
mkPhiTy req_theta $
mkVisFunTyMany data_ty $