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-rw-r--r--compiler/nativeGen/RegAlloc/Graph/Main.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/nativeGen/RegAlloc/Graph/Main.hs b/compiler/nativeGen/RegAlloc/Graph/Main.hs
index dbaf5098ce..05db68dd46 100644
--- a/compiler/nativeGen/RegAlloc/Graph/Main.hs
+++ b/compiler/nativeGen/RegAlloc/Graph/Main.hs
@@ -1,3 +1,5 @@
+{-# LANGUAGE ScopedTypeVariables #-}
+
-- | Graph coloring register allocator.
module RegAlloc.Graph.Main (
regAlloc