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-rw-r--r--src/compiler/scala/tools/nsc/typechecker/Typers.scala2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/Typers.scala b/src/compiler/scala/tools/nsc/typechecker/Typers.scala
index 19c2c4042a..c798e38e92 100644
--- a/src/compiler/scala/tools/nsc/typechecker/Typers.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/Typers.scala
@@ -582,6 +582,8 @@ trait Typers extends Modes with Adaptations with Tags {
// short cut some aliases. It seems pattern matching needs this
// to notice exhaustiveness and to generate good code when
// List extractors are mixed with :: patterns. See Test5 in lists.scala.
+ //
+ // TODO SI-6609 Eliminate this special case once the old pattern matcher is removed.
def dealias(sym: Symbol) =
(atPos(tree.pos.makeTransparent) {gen.mkAttributedRef(sym)} setPos tree.pos, sym.owner.thisType)
sym.name match {