--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TreeDiffer.java	Tue Aug 28 09:01:54 2018 +0200
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/TreeDiffer.java	Wed Aug 29 09:36:17 2018 +0200
@@ -259,13 +259,13 @@
     @Override
     public void visitBreak(JCBreak tree) {
         JCBreak that = (JCBreak) parameter;
-        result = tree.label == that.label;
+        result = scan(tree.value, that.value);
     }
 
     @Override
     public void visitCase(JCCase tree) {
         JCCase that = (JCCase) parameter;
-        result = scan(tree.pat, that.pat) && scan(tree.stats, that.stats);
+        result = scan(tree.pats, that.pats) && scan(tree.stats, that.stats);
     }
 
     @Override