Add missing <atomic> include to PassRegistry.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231277 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/PassRegistry.h b/include/llvm/PassRegistry.h
index 13fc01a9de2174d28480cb09c82feeea1ebb996a..97e2bde999b71af91c89edc0cb7671f01614a89b 100644 (file)
--- a/include/llvm/PassRegistry.h
+++ b/include/llvm/PassRegistry.h
@@ -25,6 +25,7 @@
 #include "llvm/PassInfo.h"
 #include "llvm/Support/CBindingWrapping.h"
 #include "llvm/Support/RWMutex.h"
+#include <atomic>
 #include <vector>
 
 namespace llvm {