[Support] Try to fix bot failure after 8ddcd1dc26

http://lab.llvm.org:8011/builders/clang-ppc64be-linux/builds/41755
2019-12-12 12:18:12 +00:00 · 2019-12-12 12:18:12 +00:00 · f70f180148
parent ec618826df
commit f70f180148
1 changed files with 1 additions and 0 deletions
--- a/llvm/lib/Support/TimeProfiler.cpp
+++ b/llvm/lib/Support/TimeProfiler.cpp
@ -19,6 +19,7 @@
 #include <algorithm>
 #include <cassert>
 #include <chrono>
+#include <mutex>
 #include <string>
 #include <vector>