fixup! Re-add #include <numeric>

Author: jthackray

clang/lib/CodeGen/BuiltinTargets/AArch64.cpp

@@ -21,6 +21,8 @@
 #include "llvm/IR/IntrinsicsBPF.h"
 #include "llvm/TargetParser/AArch64TargetParser.h"
 
+#include <numeric>
+
 using namespace clang;
 using namespace CodeGen;
 using namespace llvm;