From c10a7546cf6158955dd680f92fd63a6f66a09e19 Mon Sep 17 00:00:00 2001
From: Jonathan Wakely <jwakely@redhat.com>
Date: Fri, 24 Jun 2022 15:13:12 +0100
Subject: [PATCH] libstdc++: testsuite: Add missing <string> header

libstdc++-v3/ChangeLog:

	* testsuite/ext/mt_allocator/22309_thread.cc: Include <string>.
---
 libstdc++-v3/testsuite/ext/mt_allocator/22309_thread.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libstdc++-v3/testsuite/ext/mt_allocator/22309_thread.cc b/libstdc++-v3/testsuite/ext/mt_allocator/22309_thread.cc
index 2d94ea3a111..99cbb0ffbb8 100644
--- a/libstdc++-v3/testsuite/ext/mt_allocator/22309_thread.cc
+++ b/libstdc++-v3/testsuite/ext/mt_allocator/22309_thread.cc
@@ -22,6 +22,7 @@
 #include <pthread.h>
 #include <cstdlib>
 #include <stdexcept>
+#include <string>
 
 void
 check_dlopen(void*& h)