1 files changed, 1 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/transform/patmat/MatchOptimization.scala b/src/compiler/scala/tools/nsc/transform/patmat/MatchOptimization.scala
index 8ff7824159..e9c81f4728 100644
--- a/src/compiler/scala/tools/nsc/transform/patmat/MatchOptimization.scala
+++ b/src/compiler/scala/tools/nsc/transform/patmat/MatchOptimization.scala
@@ -442,7 +442,7 @@ trait MatchOptimization extends MatchTreeMaking with MatchAnalysis {
                   val distinctAlts = distinctBy(switchableAlts)(extractConst)
                   if (distinctAlts.size < switchableAlts.size) {
                     val duplicated = switchableAlts.groupBy(extractConst).flatMap(_._2.drop(1).take(1)) // report the first duplicated
-                    global.currentUnit.warning(pos, s"Pattern contains duplicate alternatives: ${duplicated.mkString(", ")}")
+                    reporter.warning(pos, s"Pattern contains duplicate alternatives: ${duplicated.mkString(", ")}")
                   }
                   CaseDef(Alternative(distinctAlts), guard, body)
                 }