--- old/test/langtools/tools/javac/diags/examples/PreviewFilenameAdditional.java	2018-06-26 21:56:55.652000000 -0700
+++ new/test/langtools/tools/javac/diags/examples/PreviewFilenameAdditional.java	2018-06-26 21:56:55.488000000 -0700
@@ -26,7 +26,7 @@
 // key: compiler.note.preview.filename.additional
 // key: compiler.warn.preview.feature.use
 // key: compiler.misc.feature.diamond
-// options: -Xlint:preview -Xmaxwarns 1 -XDforcePreview  -source 11 --enable-preview
+// options: -Xlint:preview -Xmaxwarns 1 -XDforcePreview  -source 12 --enable-preview
 
 import java.util.ArrayList;