diff --git a/llvm/include/llvm/ADT/SmallVector.h b/llvm/include/llvm/ADT/SmallVector.h
--- a/llvm/include/llvm/ADT/SmallVector.h
+++ b/llvm/include/llvm/ADT/SmallVector.h
@@ -23,6 +23,7 @@
 #include <cstddef>
 #include <cstdlib>
 #include <cstring>
+#include <functional>
 #include <initializer_list>
 #include <iterator>
 #include <limits>
diff --git a/llvm/include/llvm/Support/Printable.h b/llvm/include/llvm/Support/Printable.h
--- a/llvm/include/llvm/Support/Printable.h
+++ b/llvm/include/llvm/Support/Printable.h
@@ -14,6 +14,7 @@
 #define LLVM_SUPPORT_PRINTABLE_H
 
 #include <functional>
+#include <utility>
 
 namespace llvm {