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-rw-r--r--compiler/nativeGen/RegAlloc/Graph/ArchX86.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/nativeGen/RegAlloc/Graph/ArchX86.hs b/compiler/nativeGen/RegAlloc/Graph/ArchX86.hs
index 9873118dcf..0472e4cf09 100644
--- a/compiler/nativeGen/RegAlloc/Graph/ArchX86.hs
+++ b/compiler/nativeGen/RegAlloc/Graph/ArchX86.hs
@@ -15,6 +15,8 @@ module RegAlloc.Graph.ArchX86 (
squeese,
) where
+import GhcPrelude
+
import RegAlloc.Graph.ArchBase (Reg(..), RegSub(..), RegClass(..))
import UniqSet