diff --git a/langtools/.hgtags b/langtools/.hgtags
index 48a2dfca98f41c16d1f88e0aee081d16faf20cbe..a260d94e956715aa46f77462606873c1a1c93c43 100644
--- a/langtools/.hgtags
+++ b/langtools/.hgtags
@@ -25,3 +25,4 @@ be546a6c08e3c31fba2edcae1de43ae3515d2e59 jdk7-b46
 c53007f34195f69223bdd4125ec6c0740f7d6736 jdk7-b48
 d17d927ad9bdfafae32451645d182acb7bed7be6 jdk7-b49
 46f2f6ed96f13fc49fec3d1b6aa616686128cb57 jdk7-b50
+8c55d5b0ed71ed3a749eb97e4eab79b4831649b8 jdk7-b51