From: Ian Lynagh <igloo@earth.li>
Date: Tue, 10 Jul 2007 12:47:38 +0000 (+0000)
Subject: Fix tcInstHeadTyNotSynonym
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=11e80952ae15cf95b89c01466ee1970fb7161d7f;hp=11e80952ae15cf95b89c01466ee1970fb7161d7f;p=ghc-hetmet.git

Fix tcInstHeadTyNotSynonym
It was returning False for type variables amongst other things, so
"instance C a" was telling us to use -XTypeSynonymInstances.
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