[gcc(refs/users/meissner/heads/work123)] Update ChangeLog.meissner

[Michael Meissner]

https://gcc.gnu.org/g:fa318fbba811e64ad6922dc5226bf87a75ebd036

commit fa318fbba811e64ad6922dc5226bf87a75ebd036
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Fri Jun 23 08:39:55 2023 -0400

    Update ChangeLog.meissner

Diff:
---
 gcc/ChangeLog.meissner | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gcc/ChangeLog.meissner b/gcc/ChangeLog.meissner
index 97dbc8ac35e..3ad68217d6d 100644
--- a/gcc/ChangeLog.meissner
+++ b/gcc/ChangeLog.meissner
@@ -1,3 +1,5 @@
+==================== Branch work123, merge up 06/23/2023 ====================
+
 ==================== Branch work123, patch #1 ====================
 
 Fix power10 fusion bug with prefixed loads, PR target/105325