--- old/test/langtools/tools/javac/switchexpr/ExpressionSwitchFallThrough1.java 2018-12-11 11:17:02.156585000 -0800 +++ new/test/langtools/tools/javac/switchexpr/ExpressionSwitchFallThrough1.java 2018-12-11 11:17:01.980496999 -0800 @@ -25,7 +25,7 @@ * @test * @bug 8206986 * @summary Check fall through in switch expressions. - * @compile --enable-preview -source 12 ExpressionSwitchFallThrough1.java + * @compile --enable-preview -source 13 ExpressionSwitchFallThrough1.java * @run main/othervm --enable-preview ExpressionSwitchFallThrough1 */