diff options
Diffstat (limited to 'compiler/GHC/Tc/Gen/Expr.hs')
| -rw-r--r-- | compiler/GHC/Tc/Gen/Expr.hs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/GHC/Tc/Gen/Expr.hs b/compiler/GHC/Tc/Gen/Expr.hs index 564ad46660..5d919280f0 100644 --- a/compiler/GHC/Tc/Gen/Expr.hs +++ b/compiler/GHC/Tc/Gen/Expr.hs @@ -32,6 +32,7 @@ import GHC.Prelude import {-# SOURCE #-} GHC.Tc.Gen.Splice( tcSpliceExpr, tcTypedBracket, tcUntypedBracket ) import GHC.Hs +import GHC.Rename.Utils import GHC.Tc.Utils.Zonk import GHC.Tc.Utils.Monad import GHC.Tc.Utils.Unify @@ -1036,7 +1037,9 @@ arithSeqEltType (Just fl) res_ty ---------------- tcTupArgs :: [LHsTupArg GhcRn] -> [TcSigmaType] -> TcM [LHsTupArg GhcTc] tcTupArgs args tys - = ASSERT( equalLength args tys ) mapM go (args `zip` tys) + = do MASSERT( equalLength args tys ) + checkTupSize (length args) + mapM go (args `zip` tys) where go (L l (Missing {}), arg_ty) = do { mult <- newFlexiTyVarTy multiplicityTy ; return (L l (Missing (Scaled mult arg_ty))) } |