workaround scala/bug#13035

Author: bjaglin

scalafix-tests/input/src/main/scala/test/removeUnused/RemoveUnusedPatternVars.scala

@@ -3,7 +3,7 @@ rule = RemoveUnused
  */
 package test.removeUnused
 
-case class AB(a: Int, b: String)
+case class AB(aa: Int, bb: String)
 
 case class XY(x: Int, y: Int)
 case class YZ(xy: XY, z: String)

scalafix-tests/output/src/main/scala-2/test/removeUnused/RemoveUnusedPatternVars.scala

@@ -1,6 +1,6 @@
 package test.removeUnused
 
-case class AB(a: Int, b: String)
+case class AB(aa: Int, bb: String)
 
 case class XY(x: Int, y: Int)
 case class YZ(xy: XY, z: String)

scalafix-tests/output/src/main/scala-3/test/removeUnused/RemoveUnusedPatternVars.scala

@@ -1,6 +1,6 @@
 package test.removeUnused
 
-case class AB(a: Int, b: String)
+case class AB(aa: Int, bb: String)
 
 case class XY(x: Int, y: Int)
 case class YZ(xy: XY, z: String)