--- old/src/java.base/share/classes/java/util/jar/Attributes.java	2016-03-09 16:26:47.560049778 +0100
+++ new/src/java.base/share/classes/java/util/jar/Attributes.java	2016-03-09 16:26:47.435049090 +0100
@@ -513,7 +513,7 @@
          */
         public int hashCode() {
             if (hashCode == -1) {
-                hashCode = name.toLowerCase(Locale.ROOT).hashCode();
+                hashCode = String.CASE_INSENSITIVE_HASHER.applyAsInt(name);
             }
             return hashCode;
         }