[lld] r302295 - Fix build breakage on Linux.

[Rui Ueyama via llvm-commits]

Author: ruiu
Date: Fri May  5 16:27:30 2017
New Revision: 302295

URL: http://llvm.org/viewvc/llvm-project?rev=302295&view=rev
Log:
Fix build breakage on Linux.

Modified:
    lld/trunk/lib/Core/TaskGroup.cpp

Modified: lld/trunk/lib/Core/TaskGroup.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/lib/Core/TaskGroup.cpp?rev=302295&r1=302294&r2=302295&view=diff
==============================================================================
--- lld/trunk/lib/Core/TaskGroup.cpp (original)
+++ lld/trunk/lib/Core/TaskGroup.cpp Fri May  5 16:27:30 2017
@@ -12,6 +12,7 @@
 
 #include <atomic>
 #include <stack>
+#include <thread>
 
 #if defined(_MSC_VER) && LLVM_ENABLE_THREADS
 #include <concrt.h>