Add CHANGES note for [GL #4187]

diff --git a/CHANGES b/CHANGES
index 0cd20df58d0c7ce38a28aeef3f94c981e96923ac..59dca5fe8e58f60bc72851c3300db98e869beec5 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+6339.  [bug]           The alignas() can't be used on types larger than
+                       max_align_t; instead add padding into the structures
+                       where we want avoid false memory sharing. [GL #4187]
+
 6338.  [func]          Optimize slabheader placement, so the infrastructure
                        records are put in the beginning of the slabheader
                        linked list. [GL !8675]