Fix ADT/UniqueVector.h to resolve implicit dependency.

chapuni · chapuni · commit 4a000fe34096 · 2015-10-24T00:27:22.000Z
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@251165 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/ADT/UniqueVector.h b/include/llvm/ADT/UniqueVector.h
@@ -11,6 +11,7 @@
 #define LLVM_ADT_UNIQUEVECTOR_H
 
 #include <cassert>
+#include <cstddef>
 #include <map>
 #include <vector>
 
