--- old/src/java.base/share/classes/sun/nio/cs/ArrayDecoder.java	2015-10-30 14:03:46.441324296 -0700
+++ new/src/java.base/share/classes/sun/nio/cs/ArrayDecoder.java	2015-10-30 14:03:46.191325242 -0700
@@ -32,4 +32,8 @@
 
 public interface ArrayDecoder {
     int decode(byte[] src, int off, int len, char[] dst);
+
+    default boolean isASCIICompatible() {
+        return false;
+    }
 }