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-rw-r--r--compiler/GHC/Data/Graph/Color.hs3
1 files changed, 1 insertions, 2 deletions
diff --git a/compiler/GHC/Data/Graph/Color.hs b/compiler/GHC/Data/Graph/Color.hs
index 496f98b205..7429ad3317 100644
--- a/compiler/GHC/Data/Graph/Color.hs
+++ b/compiler/GHC/Data/Graph/Color.hs
@@ -328,8 +328,7 @@ selectColor colors graph u
-- See Note [Unique Determinism and code generation]
colors_conflict = mkUniqSet
- $ catMaybes
- $ map nodeColor nsConflicts
+ $ mapMaybe nodeColor nsConflicts
-- the prefs of our neighbors
colors_neighbor_prefs