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-rw-r--r--testsuite/tests/indexed-types/should_fail/T4485.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/testsuite/tests/indexed-types/should_fail/T4485.hs b/testsuite/tests/indexed-types/should_fail/T4485.hs
index 060e8571b5..c314018cc5 100644
--- a/testsuite/tests/indexed-types/should_fail/T4485.hs
+++ b/testsuite/tests/indexed-types/should_fail/T4485.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE Haskell2010 #-}
-- The behavior of type-inference and OverlappingInstances has changed
-- between GHC 6.12 and GHC 7.0 such that the following code
-- type-checks under 6.12, but not 7.0rc2. I assume this change has