From 905da7458b6f532e05424811b02f6ed3e88b7ca3 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

llvm-svn: 302806
---
 llvm/lib/Support/Parallel.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/llvm/lib/Support/Parallel.cpp b/llvm/lib/Support/Parallel.cpp
index c140b13d7e0b..ab2cfdebf07d 100644
--- a/llvm/lib/Support/Parallel.cpp
+++ b/llvm/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