From 418845fbea615e36fc2875ba531d737a62832000 Mon Sep 17 00:00:00 2001
From: Derek Mauro <dmauro@google.com>
Date: Fri, 24 Apr 2026 13:41:13 -0700
Subject: [PATCH] Partial rollback of removal of usages of absl::void_t

This breaks GCC 9 builds in absl::any_invocable

PiperOrigin-RevId: 905200659
Change-Id: Ica2b26af7f53006579148f077cd47482d17f9cd3
---
 absl/functional/internal/any_invocable.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/absl/functional/internal/any_invocable.h b/absl/functional/internal/any_invocable.h
index db73ffff..66168c65 100644
--- a/absl/functional/internal/any_invocable.h
+++ b/absl/functional/internal/any_invocable.h
@@ -607,7 +607,7 @@ using UnwrapStdReferenceWrapper =
 // substitution failures happen when forming the template arguments.
 template <class... T>
 using TrueAlias =
-    std::integral_constant<bool, sizeof(std::void_t<T...>*) != 0>;
+    std::integral_constant<bool, sizeof(absl::void_t<T...>*) != 0>;
 
 /*SFINAE constraints for the conversion-constructor.*/
 template <class Sig, class F,