--- a/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Check.java	Mon Oct 23 13:03:01 2017 +0200
+++ b/src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Check.java	Mon Oct 23 14:11:04 2017 +0200
@@ -3584,7 +3584,7 @@
         private boolean isCanonical(JCTree tree) {
             while (tree.hasTag(SELECT)) {
                 JCFieldAccess s = (JCFieldAccess) tree;
-                if (s.sym.owner.name != TreeInfo.symbol(s.selected).name)
+                if (s.sym.owner.getQualifiedName() != TreeInfo.symbol(s.selected).getQualifiedName())
                     return false;
                 tree = s.selected;
             }