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-rw-r--r--compiler/typecheck/TcInteract.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/typecheck/TcInteract.hs b/compiler/typecheck/TcInteract.hs
index 53ef0e6360..11c917dea2 100644
--- a/compiler/typecheck/TcInteract.hs
+++ b/compiler/typecheck/TcInteract.hs
@@ -1836,7 +1836,7 @@ matchTypeableClass clas k t loc
-- Emit a `Typeable` constraint for the given type.
subGoal ty = do let goal = mkClassPred clas [ typeKind ty, ty ]
- (ev,_) <- newWantedEvVar loc goal
+ ev <- newWantedEvVarNC loc goal
return ev