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-rw-r--r--compiler/utils/GraphOps.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/utils/GraphOps.hs b/compiler/utils/GraphOps.hs
index cc8668ea45..c7161f0e32 100644
--- a/compiler/utils/GraphOps.hs
+++ b/compiler/utils/GraphOps.hs
@@ -1,6 +1,8 @@
-- | Basic operations on graphs.
--
+{-# OPTIONS_GHC -Wno-incomplete-uni-patterns #-}
+
module GraphOps (
addNode, delNode, getNode, lookupNode, modNode,
size,