From 49ddc1c67f2c56a52151d9ad915ba93575088938 Mon Sep 17 00:00:00 2001
From: Raul Tambre <raul@tambre.ee>
Date: Thu, 30 Oct 2025 21:17:11 +0200
Subject: [PATCH] [NFCI][lldb][test] Add missing <functional> includes

`std::ref()` is provided in `<functional>` and with recent libc++ changes it no longer seems to be
included transitively. Fix by including explicitly.
---
 lldb/test/Shell/Register/Inputs/x86-multithread-read.cpp  | 1 +
 lldb/test/Shell/Register/Inputs/x86-multithread-write.cpp | 1 +
 2 files changed, 2 insertions(+)

diff --git a/lldb/test/Shell/Register/Inputs/x86-multithread-read.cpp b/lldb/test/Shell/Register/Inputs/x86-multithread-read.cpp
index c5f571fc1d2c4..0d2869c0c577c 100644
--- a/lldb/test/Shell/Register/Inputs/x86-multithread-read.cpp
+++ b/lldb/test/Shell/Register/Inputs/x86-multithread-read.cpp
@@ -1,4 +1,5 @@
 #include <cstdint>
+#include <functional>
 #include <mutex>
 #include <thread>
 
diff --git a/lldb/test/Shell/Register/Inputs/x86-multithread-write.cpp b/lldb/test/Shell/Register/Inputs/x86-multithread-write.cpp
index 320f9e938e5bf..1f4e91acc4c03 100644
--- a/lldb/test/Shell/Register/Inputs/x86-multithread-write.cpp
+++ b/lldb/test/Shell/Register/Inputs/x86-multithread-write.cpp
@@ -1,6 +1,7 @@
 #include <cinttypes>
 #include <cstdint>
 #include <cstdio>
+#include <functional>
 #include <mutex>
 #include <thread>