--- a/src/java.base/share/classes/java/lang/Math.java	Wed Oct 04 16:44:45 2017 +0200
+++ b/src/java.base/share/classes/java/lang/Math.java	Wed Oct 04 11:52:07 2017 -0700
@@ -1094,6 +1094,7 @@
      * @return the result
      * @since 9
      */
+    @HotSpotIntrinsicCandidate
     public static long multiplyHigh(long x, long y) {
         if (x < 0 || y < 0) {
             // Use technique from section 8-2 of Henry S. Warren, Jr.,