X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2Fparser%2FParserCore.y;h=8bf94539fa42f00aacd004d7b7750fc2013fa68d;hp=0289cfcc0d8a63591511e633f56e773a1daec022;hb=d2f11ea842a25bebd51d6c0c730a756c1d987e25;hpb=6e9c0431a7cf2bf1a48f01db48c6a1d41fe15a09

diff --git a/compiler/parser/ParserCore.y b/compiler/parser/ParserCore.y
index 0289cfc..8bf9453 100644
--- a/compiler/parser/ParserCore.y
+++ b/compiler/parser/ParserCore.y
@@ -1,4 +1,5 @@
 {
+{-# LANGUAGE BangPatterns #-} -- required for versions of Happy before 1.18.6
 {-# OPTIONS -Wwarn -w #-}
 -- The above warning supression flag is a temporary kludge.
 -- While working on this module you are encouraged to remove it and fix