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-rw-r--r--src/compiler/scala/reflect/internal/Symbols.scala2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/compiler/scala/reflect/internal/Symbols.scala b/src/compiler/scala/reflect/internal/Symbols.scala
index cd60b85ff5..81c718e65c 100644
--- a/src/compiler/scala/reflect/internal/Symbols.scala
+++ b/src/compiler/scala/reflect/internal/Symbols.scala
@@ -1135,7 +1135,7 @@ trait Symbols extends api.Symbols { self: SymbolTable =>
def makeSerializable() {
info match {
case ci @ ClassInfoType(_, _, _) =>
- updateInfo(ci.copy(parents = ci.parents ::: List(SerializableClass.tpe)))
+ updateInfo(ci.copy(parents = ci.parents :+ SerializableClass.tpe))
case i =>
abort("Only ClassInfoTypes can be made serializable: "+ i)
}