From 21a6645e6950602ff68e3ee72ae2d161f3ace15c Mon Sep 17 00:00:00 2001
From: Hans Wennborg <hans@hanshq.net>
Date: Thu, 11 May 2017 15:32:47 +0000
Subject: [PATCH] Fix -DLLVM_ENABLE_THREADS=OFF build after r302748

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@302806 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Support/Parallel.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Support/Parallel.cpp b/lib/Support/Parallel.cpp
index c140b13d7e0..ab2cfdebf07 100644
--- a/lib/Support/Parallel.cpp
+++ b/lib/Support/Parallel.cpp
@@ -127,6 +127,7 @@ Executor *Executor::getDefaultExecutor() {
 #endif
 }
 
+#if LLVM_ENABLE_THREADS
 void parallel::detail::TaskGroup::spawn(std::function<void()> F) {
   L.inc();
   Executor::getDefaultExecutor()->add([&, F] {
@@ -134,3 +135,4 @@ void parallel::detail::TaskGroup::spawn(std::function<void()> F) {
     L.dec();
   });
 }
+#endif
-- 
2.50.1