Merge
diff --git a/.hgtags b/.hgtags
index ef7ee16..a7ce583 100644
--- a/.hgtags
+++ b/.hgtags
@@ -298,3 +298,4 @@
 874d76e4699dfcd61ae1826c9fe0ddc1610ad598 jdk9-b53
 82cd31c5d6ca8d4c1653f4eb1c09eb2d9a3b2813 jdk9-b54
 c97e2d1bad9708d379793ba2a4c848eda14c741e jdk9-b55
+47544495db2d3d2edf0f85862d8715592fdb919f jdk9-b56