Include deallocated caller-provided size in delete hooks.

ckennelly · copybara-github · commit ea50280aeb0d · 2025-07-07T15:28:28.000-07:00
As allocations may come from unsized free or delete as well, we indicate these
via std::nullopt.

PiperOrigin-RevId: 780282346
Change-Id: I123b5a0541bdf26e44686de79821dbb1326c4cf6
diff --git a/absl/base/internal/low_level_alloc.cc b/absl/base/internal/low_level_alloc.cc
@@ -19,6 +19,7 @@
 
 #include "absl/base/internal/low_level_alloc.h"
 
+#include <optional>
 #include <type_traits>
 
 #include "absl/base/call_once.h"
