Restore tuple-ops.scala in pickling blacklist

liufengyun · liufengyun · commit 67363b571862 · 2019-12-13T14:36:25.000+01:00
It's accidentally removed in conflict resolution.
diff --git a/compiler/test/dotc/run-test-pickling.blacklist b/compiler/test/dotc/run-test-pickling.blacklist
@@ -20,3 +20,4 @@ macros-in-same-project1
 i5257.scala
 enum-java
 zero-arity-case-class.scala
+tuple-ops.scala
