From 99694a5d1df4ebe83eb4863f14c6354c115ca1d8 Mon Sep 17 00:00:00 2001
From: Joe Loser <joeloser@fastmail.com>
Date: Sat, 20 Aug 2022 17:53:58 -0600
Subject: [PATCH] [ADT] Replace `void_t` equivalent with `std::void_t`

Use `std::void_t` instead of defining our own equivalent in `STLExtras.h` now
that C++17 is available for use.

Differential Revision: https://reviews.llvm.org/D132319
---
 llvm/include/llvm/ADT/STLExtras.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/llvm/include/llvm/ADT/STLExtras.h b/llvm/include/llvm/ADT/STLExtras.h
index 4a72e9b..3d914d7 100644
--- a/llvm/include/llvm/ADT/STLExtras.h
+++ b/llvm/include/llvm/ADT/STLExtras.h
@@ -77,12 +77,11 @@ template <typename T> struct make_const_ref {
 };
 
 namespace detail {
-template <typename...> using void_t = void;
 template <class, template <class...> class Op, class... Args> struct detector {
   using value_t = std::false_type;
 };
 template <template <class...> class Op, class... Args>
-struct detector<void_t<Op<Args...>>, Op, Args...> {
+struct detector<std::void_t<Op<Args...>>, Op, Args...> {
   using value_t = std::true_type;
 };
 } // end namespace detail
-- 
2.7.4