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Diffstat (limited to 'compiler/hsSyn/HsExtension.hs')
| -rw-r--r-- | compiler/hsSyn/HsExtension.hs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/hsSyn/HsExtension.hs b/compiler/hsSyn/HsExtension.hs index 880f7096c6..80dfa67ea3 100644 --- a/compiler/hsSyn/HsExtension.hs +++ b/compiler/hsSyn/HsExtension.hs @@ -13,6 +13,8 @@ module HsExtension where -- This module captures the type families to precisely identify the extension -- points for HsSyn +import GhcPrelude + import GHC.Exts (Constraint) import Data.Data hiding ( Fixity ) import PlaceHolder |