attempt compat. with GHC 9.x

haskell · Jul 27, 2021 · 8aae53d · 8aae53d
1 parent 0dc5dde
commit 8aae53d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/ghcide/src/Development/IDE/GHC/Orphans.hs b/ghcide/src/Development/IDE/GHC/Orphans.hs
@@ -51,6 +51,8 @@ instance Hashable GhcPlugins.InstalledUnitId where
   hashWithSalt salt = hashWithSalt salt . installedUnitIdString
 #else
 instance Show InstalledUnitId where show = prettyPrint
+deriving instance Ord SrcSpan
+deriving instance Ord UnhelpfulSpanReason
 #endif
 
 instance NFData SB.StringBuffer where rnf = rwhnf