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-rw-r--r--compiler/nativeGen/RegAlloc/Graph/ArchBase.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/nativeGen/RegAlloc/Graph/ArchBase.hs b/compiler/nativeGen/RegAlloc/Graph/ArchBase.hs
index 6771e4ecb9..634e61cb13 100644
--- a/compiler/nativeGen/RegAlloc/Graph/ArchBase.hs
+++ b/compiler/nativeGen/RegAlloc/Graph/ArchBase.hs
@@ -21,6 +21,8 @@ module RegAlloc.Graph.ArchBase (
bound,
squeese
) where
+import GhcPrelude
+
import UniqSet
import UniqFM
import Unique