diff options
Diffstat (limited to 'utils')
| -rw-r--r-- | utils/hpc/HpcParser.y | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/utils/hpc/HpcParser.y b/utils/hpc/HpcParser.y index b99e3246cf..b4d8c79518 100644 --- a/utils/hpc/HpcParser.y +++ b/utils/hpc/HpcParser.y @@ -1,5 +1,13 @@ { -{-# OPTIONS -Wwarn #-} +{-# OPTIONS -Wwarn -XNoMonomorphismRestriction #-} +-- The NoMonomorphismRestriction deals with a Happy infelicity +-- With OutsideIn's more conservativ monomorphism restriction +-- we aren't generalising +-- notHappyAtAll = error "urk" +-- which is terrible. Switching off the restriction allows +-- the generalisation. Better would be to make Happy generate +-- an appropriate signature. +-- -- The above warning supression flag is a temporary kludge. -- While working on this module you are encouraged to remove it and fix -- any warnings in the module. See |