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-rw-r--r--compiler/vectorise/VectUtils.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/vectorise/VectUtils.hs b/compiler/vectorise/VectUtils.hs
index ea647c733f..9ff5b5a820 100644
--- a/compiler/vectorise/VectUtils.hs
+++ b/compiler/vectorise/VectUtils.hs
@@ -241,7 +241,7 @@ prDictOfTyApp ty_fn ty_args
| Just ty_fn' <- coreView ty_fn = prDictOfTyApp ty_fn' ty_args
prDictOfTyApp (TyConApp tc _) ty_args
= do
- dfun <- prDFunOfTyCon tc
+ dfun <- liftM Var $ maybeV (lookupTyConPR tc)
prDFunApply dfun ty_args
prDictOfTyApp _ _ = noV