--- old/test/langtools/tools/javac/diags/examples/PreviewFeatureUse.java	2018-06-26 21:56:53.984000000 -0700
+++ new/test/langtools/tools/javac/diags/examples/PreviewFeatureUse.java	2018-06-26 21:56:53.812000000 -0700
@@ -27,7 +27,7 @@
 //key: compiler.warn.preview.feature.use.plural
 //key: compiler.misc.feature.diamond
 //key: compiler.misc.feature.lambda
-//options: -Xlint:preview -XDforcePreview -source 11 --enable-preview
+//options: -Xlint:preview -XDforcePreview -source 12 --enable-preview
 
 import java.util.ArrayList;