--- old/test/langtools/tools/javac/switchexpr/ExpressionSwitchNotExhaustive.java	2018-12-11 11:17:05.410211000 -0800
+++ new/test/langtools/tools/javac/switchexpr/ExpressionSwitchNotExhaustive.java	2018-12-11 11:17:05.234122999 -0800
@@ -2,7 +2,7 @@
  * @test /nodynamiccopyright/
  * @bug 8206986
  * @summary Verify behavior of not exhaustive switch expressions.
- * @compile/fail/ref=ExpressionSwitchNotExhaustive.out -XDrawDiagnostics --enable-preview -source 12 ExpressionSwitchNotExhaustive.java
+ * @compile/fail/ref=ExpressionSwitchNotExhaustive.out -XDrawDiagnostics --enable-preview -source 13 ExpressionSwitchNotExhaustive.java
  */
 
 public class ExpressionSwitchNotExhaustive {