--- a/langtools/test/tools/javac/diags/examples/MrefStat.java	Wed Jul 05 22:10:57 2017 +0200
+++ b/langtools/test/tools/javac/diags/examples/MrefStat.java	Tue Sep 06 17:04:43 2016 -0700
@@ -22,7 +22,7 @@
  */
 
 // key: compiler.note.mref.stat
-// options: -Xdebug:dumpLambdaToMethodStats
+// options: --debug:dumpLambdaToMethodStats
 
 class MrefStat {
     Runnable r = MrefStat::m;