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-rw-r--r--testsuite/tests/ghci/scripts/T4127a.script2
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diff --git a/testsuite/tests/ghci/scripts/T4127a.script b/testsuite/tests/ghci/scripts/T4127a.script
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+++ b/testsuite/tests/ghci/scripts/T4127a.script
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+:set -XTemplateHaskell
+Language.Haskell.TH.runQ $ [d| f = undefined; class Foo x where { f :: x -> x }; instance Foo Int where { f = id } |]