diff options
Diffstat (limited to 'compiler/GHC/Tc/TyCl/PatSyn.hs')
| -rw-r--r-- | compiler/GHC/Tc/TyCl/PatSyn.hs | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/compiler/GHC/Tc/TyCl/PatSyn.hs b/compiler/GHC/Tc/TyCl/PatSyn.hs index 338e24153c..2577de341e 100644 --- a/compiler/GHC/Tc/TyCl/PatSyn.hs +++ b/compiler/GHC/Tc/TyCl/PatSyn.hs @@ -60,7 +60,7 @@ import GHC.Types.FieldLabel import GHC.Rename.Env import GHC.Data.Bag import GHC.Utils.Misc -import GHC.Driver.Session ( getDynFlags ) +import GHC.Driver.Session ( getDynFlags, xopt_FieldSelectors ) import Data.Maybe( mapMaybe ) import Control.Monad ( zipWithM ) import Data.List( partition, mapAccumL ) @@ -720,7 +720,8 @@ tc_patsyn_finish lname dir is_infix lpat' prag_fn field_labels -- Selectors - ; let rn_rec_sel_binds = mkPatSynRecSelBinds patSyn (patSynFieldLabels patSyn) + ; has_sel <- xopt_FieldSelectors <$> getDynFlags + ; let rn_rec_sel_binds = mkPatSynRecSelBinds patSyn (patSynFieldLabels patSyn) has_sel tything = AConLike (PatSynCon patSyn) ; tcg_env <- tcExtendGlobalEnv [tything] $ tcRecSelBinds rn_rec_sel_binds @@ -825,9 +826,10 @@ tcPatSynMatcher (L loc name) lpat prag_fn mkPatSynRecSelBinds :: PatSyn -> [FieldLabel] -- ^ Visible field labels + -> FieldSelectors -> [(Id, LHsBind GhcRn)] -mkPatSynRecSelBinds ps fields - = [ mkOneRecordSelector [PatSynCon ps] (RecSelPatSyn ps) fld_lbl +mkPatSynRecSelBinds ps fields has_sel + = [ mkOneRecordSelector [PatSynCon ps] (RecSelPatSyn ps) fld_lbl has_sel | fld_lbl <- fields ] isUnidirectional :: HsPatSynDir a -> Bool |