X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=utils%2Fhpc%2FHpcParser.y;h=01307bf565d17a1f14c934c9c8d962ebf5923b34;hb=1f7ab811c4421458568b0ed900b496192fee885b;hp=b4d8c79518fa1e7396e6f2933b66438fa6c75dcc;hpb=c800c1633c97a7ead022a142d015bf8db14f04f6;p=ghc-hetmet.git

diff --git a/utils/hpc/HpcParser.y b/utils/hpc/HpcParser.y
index b4d8c79..01307bf 100644
--- a/utils/hpc/HpcParser.y
+++ b/utils/hpc/HpcParser.y
@@ -1,4 +1,5 @@
 { 
+{-# LANGUAGE BangPatterns #-} -- required for versions of Happy before 1.18.6
 {-# OPTIONS -Wwarn -XNoMonomorphismRestriction #-}
 -- The NoMonomorphismRestriction deals with a Happy infelicity
 --    With OutsideIn's more conservativ monomorphism restriction