--- old/src/share/classes/sun/font/CompositeStrike.java	2017-11-01 10:58:28.000000000 -0700
+++ new/src/share/classes/sun/font/CompositeStrike.java	2017-11-01 10:58:28.000000000 -0700
@@ -72,6 +72,10 @@
 
     PhysicalStrike getStrikeForSlot(int slot) {
 
+        if (slot >= strikes.length) {
+            slot = 0;
+        }
+
         PhysicalStrike strike = strikes[slot];
         if (strike == null) {
             strike =