From 1613f8b8d7d5fc155e1a0ce2f88c4be6b115936e Mon Sep 17 00:00:00 2001
From: Mitch Phillips <31459023+hctim@users.noreply.github.com>
Date: Fri, 21 Jan 2022 16:22:29 -0800
Subject: [PATCH] NFC (build fix): Add header for llvm::errs().

Looks like e9211e039377 unfortunately broke the sanitizer build bots,
because those bots compile the symbolizer with DLLVM_ENABLE_THREADS=Off.
Likely, before the patch, this header was transitively included.
---
 llvm/lib/Support/ThreadPool.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/lib/Support/ThreadPool.cpp b/llvm/lib/Support/ThreadPool.cpp
index bf2584950c4ac..6eec368e626ff 100644
--- a/llvm/lib/Support/ThreadPool.cpp
+++ b/llvm/lib/Support/ThreadPool.cpp
@@ -14,6 +14,7 @@
 
 #include "llvm/Config/llvm-config.h"
 #include "llvm/Support/Threading.h"
+#include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;