Close #18596: Support address sanity checking in clang/GCC

This patch appropriately marks known false alarms in the
small object allocator when address sanity checking is
enabled (patch contributed by Dhiru Kholia).
diff --git a/Misc/ACKS b/Misc/ACKS
index cb823d1..5b7b630 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -650,6 +650,7 @@
 Magnus Kessler
 Lawrence Kesteloot
 Vivek Khera
+Dhiru Kholia
 Mads Kiilerich
 Jason Killen
 Jan Kim
diff --git a/Misc/NEWS b/Misc/NEWS
index ae8631f..449d915 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -94,6 +94,13 @@
 - Issue #17003: Unified the size argument names in the io module with common
   practice.
 
+Build
+-----
+
+- Issue #18596: Support the use of address sanity checking in recent versions
+  of clang and GCC by appropriately marking known false alarms in the small
+  object allocator. Patch contributed by Dhiru Kholia.
+
 Tools/Demos
 -----------