NFData FieldLabel when GHC < 906

Author: jetjinser

plugins/hls-explicit-record-fields-plugin/src/Ide/Plugin/ExplicitFields.hs

@@ -595,3 +595,8 @@ getRecPatterns conPat@(conPatDetails . unLoc -> Just (RecCon flds))
     mkRecInfo pat =
       [ RecordInfoPat realSpan' (unLoc pat) | RealSrcSpan realSpan' _ <- [ getLoc pat ]]
 getRecPatterns _ = ([], False)
+
+#if __GLASGOW_HASKELL__ < 906
+instance NFData FieldLabel where
+  rnf (FieldLabel a b c) = rnf a `seq` rnf b `seq` rnf c
+#endif