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Diffstat (limited to 'compiler/rename/RnSource.hs')
| -rw-r--r-- | compiler/rename/RnSource.hs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rename/RnSource.hs b/compiler/rename/RnSource.hs index e7ff909c02..537f283183 100644 --- a/compiler/rename/RnSource.hs +++ b/compiler/rename/RnSource.hs @@ -1552,7 +1552,8 @@ rnTyClDecl (DataDecl { tcdLName = tycon, tcdTyVars = tyvars, ; bindHsQTyVars doc Nothing Nothing kvs tyvars $ \ tyvars' no_rhs_kvs -> do { (defn', fvs) <- rnDataDefn doc defn -- See Note [Complete user-supplied kind signatures] in HsDecls - ; let cusk = hsTvbAllKinded tyvars' && no_rhs_kvs + ; cusks_enabled <- xoptM LangExt.CUSKs + ; let cusk = cusks_enabled && hsTvbAllKinded tyvars' && no_rhs_kvs rn_info = DataDeclRn { tcdDataCusk = cusk , tcdFVs = fvs } ; traceRn "rndata" (ppr tycon <+> ppr cusk <+> ppr no_rhs_kvs) |