--- old/test/langtools/tools/javac/switchexpr/ExhaustiveEnumSwitch.java	2018-12-05 13:52:21.126927633 -0800
+++ new/test/langtools/tools/javac/switchexpr/ExhaustiveEnumSwitch.java	2018-12-05 13:52:20.935023626 -0800
@@ -25,7 +25,7 @@
  * @test
  * @bug 8206986
  * @summary Verify that an switch expression over enum can be exhaustive without default.
- * @compile --enable-preview -source 12 ExhaustiveEnumSwitch.java
+ * @compile --enable-preview -source 13 ExhaustiveEnumSwitch.java
  * @compile ExhaustiveEnumSwitchExtra.java
  * @run main/othervm --enable-preview ExhaustiveEnumSwitch
  */