Rename local variable (no semantic effect)

diff --git a/compiler/specialise/Rules.lhs b/compiler/specialise/Rules.lhs
index 2798ca1..10eb3f8 100644 (file)
--- a/compiler/specialise/Rules.lhs
+++ b/compiler/specialise/Rules.lhs
@@ -597,7 +597,7 @@ match_var menv subst@(tv_subst, id_subst, binds) v1 e2
                | otherwise     -- No renaming to do on e2
                -> Just (tv_subst, extendVarEnv id_subst v1' e2, binds)
 
-       Just e2' | tcEqExprX (nukeRnEnvL rn_env) e2' e2 
+       Just e1' | tcEqExprX (nukeRnEnvL rn_env) e1' e2 
                 -> Just subst
 
                 | otherwise