--- old/test/langtools/tools/javac/switchexpr/ExpressionSwitchBugsInGen.java	2018-12-05 13:52:24.805087767 -0800
+++ new/test/langtools/tools/javac/switchexpr/ExpressionSwitchBugsInGen.java	2018-12-05 13:52:24.609185759 -0800
@@ -25,7 +25,7 @@
  * @test
  * @bug 8214031
  * @summary Verify various corner cases with nested switch expressions.
- * @compile --enable-preview -source 12 ExpressionSwitchBugsInGen.java
+ * @compile --enable-preview -source 13 ExpressionSwitchBugsInGen.java
  * @run main/othervm --enable-preview ExpressionSwitchBugsInGen
  */