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-rw-r--r--compiler/simplCore/SimplCore.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/simplCore/SimplCore.hs b/compiler/simplCore/SimplCore.hs
index 1d55c17d36..b8fb162432 100644
--- a/compiler/simplCore/SimplCore.hs
+++ b/compiler/simplCore/SimplCore.hs
@@ -743,7 +743,9 @@ simplifyPgmIO pass@(CoreDoSimplify max_iterations mode)
-- Loop
do_iteration us2 (iteration_no + 1) (counts1:counts_so_far) binds2 rules1
} }
+#if __GLASGOW_HASKELL__ <= 810
| otherwise = panic "do_iteration"
+#endif
where
(us1, us2) = splitUniqSupply us