Merge
diff --git a/.hgtags b/.hgtags
index 596ce0d..df34a5a 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,3 +1,4 @@
+21bddd52ddb11639963c179e070253266b94e8c6 jdk8u151-b04
 3b7c730afe0f134ebcc781d86adda9cd655fdc00 jdk8u161-b00
 60cf90ade4856f9d35473321b55439bb204acdcf jdk8u151-b01
 54c3b3e54098761308caa28818391163768f55b8 jdk8u151-b02