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Diffstat (limited to 'compiler/GHC/Driver/Flags.hs')
| -rw-r--r-- | compiler/GHC/Driver/Flags.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/GHC/Driver/Flags.hs b/compiler/GHC/Driver/Flags.hs index f45397d887..ed77b81ebd 100644 --- a/compiler/GHC/Driver/Flags.hs +++ b/compiler/GHC/Driver/Flags.hs @@ -26,6 +26,7 @@ import GHC.Utils.Outputable import GHC.Utils.Binary import GHC.Data.EnumSet as EnumSet +import Control.DeepSeq import Control.Monad (guard) import Data.List.NonEmpty (NonEmpty(..)) import Data.Maybe (fromMaybe,mapMaybe) @@ -40,6 +41,9 @@ instance Binary Language where put_ bh = put_ bh . fromEnum get bh = toEnum <$> get bh +instance NFData Language where + rnf x = x `seq` () + -- | Debugging flags data DumpFlag -- See Note [Updating flag description in the User's Guide] |