diff options
Diffstat (limited to 'compiler/prelude/TysWiredIn.hs')
-rw-r--r-- | compiler/prelude/TysWiredIn.hs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/prelude/TysWiredIn.hs b/compiler/prelude/TysWiredIn.hs index 6e028fcf34..ce89e029e4 100644 --- a/compiler/prelude/TysWiredIn.hs +++ b/compiler/prelude/TysWiredIn.hs @@ -709,7 +709,7 @@ isBuiltInOcc_maybe occ = , Just rest'' <- "_" `stripPrefix` rest' , (pipes2, rest''') <- BS.span (=='|') rest'' , "#)" <- rest''' - -> let arity = BS.length pipes1 + BS.length pipes2 + -> let arity = BS.length pipes1 + BS.length pipes2 + 1 alt = BS.length pipes1 + 1 in Just $ dataConName $ sumDataCon alt arity _ -> Nothing |