X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2FcoreSyn%2FCoreFVs.lhs;h=e5cbfc4d430fabb419b301e33ffc420bd9e16683;hp=46c21b26dd505e75624abed2dc7c9e34b9da3f24;hb=d2ce0f52d42edf32bb9f13796e6ba6edba8bd516;hpb=0084ab49ab3c0123c4b7f9523d092af45bccfd41

diff --git a/compiler/coreSyn/CoreFVs.lhs b/compiler/coreSyn/CoreFVs.lhs
index 46c21b2..e5cbfc4 100644
--- a/compiler/coreSyn/CoreFVs.lhs
+++ b/compiler/coreSyn/CoreFVs.lhs
@@ -395,7 +395,7 @@ idFreeVars id = ASSERT( isId id)
 bndrRuleAndUnfoldingVars ::Var -> VarSet
 -- A 'let' can bind a type variable, and idRuleVars assumes 
 -- it's seeing an Id. This function tests first.
-bndrRuleAndUnfoldingVars v | isTyVar v = emptyVarSet
+bndrRuleAndUnfoldingVars v | isTyCoVar v = emptyVarSet
 	                   | otherwise = idRuleAndUnfoldingVars v
 
 idRuleAndUnfoldingVars :: Id -> VarSet