X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=utils%2Fgenprimopcode%2FParser.y;h=b20414d7d2c86b411306aaf480588678a81ebc4d;hb=7bf5bf37e7f4f140c883016e9da50106535d2a94;hp=9bf20c2dd7a5ce22fa182919187d656c17d72975;hpb=1a660e030bd3aaaa34adfea77d72856cdb48479e;p=ghc-hetmet.git

diff --git a/utils/genprimopcode/Parser.y b/utils/genprimopcode/Parser.y
index 9bf20c2..b20414d 100644
--- a/utils/genprimopcode/Parser.y
+++ b/utils/genprimopcode/Parser.y
@@ -1,5 +1,6 @@
 
 {
+{-# LANGUAGE BangPatterns #-} -- required for versions of Happy before 1.18.6
 {-# OPTIONS -w -Wwarn #-}
 -- The above warning supression flag is a temporary kludge.
 -- While working on this module you are encouraged to remove it and fix