--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/Digits.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,12 @@
+/*
+ * @test  /nodynamiccopyright/
+ * @bug 6183529
+ * @summary javac gives warnings instead of errors on non-ASCII digits
+ * @compile/fail/ref=Digits.out -XDrawDiagnostics Digits.java
+ */
+
+class Digits
+{
+    public static final double good =  1.23;
+    public static final double bad  =  1.2\u0663;
+}