Index: runtime/lib/typeddata.dart |
diff --git a/runtime/lib/typeddata.dart b/runtime/lib/typeddata.dart |
index 244948cd21be5b6c8a4921b308e59283a95c8beb..35eed4ff9839a58c95d1d0f287b479d7b7aea210 100644 |
--- a/runtime/lib/typeddata.dart |
+++ b/runtime/lib/typeddata.dart |
@@ -303,7 +303,7 @@ abstract class _TypedListBase { |
return IterableMixinWorkaround.mapList(this, f); |
} |
- String join([String separator]) { |
+ String join([String separator = ""]) { |
return IterableMixinWorkaround.join(this, separator); |
} |