Index: llvm/include/llvm/CodeGen/Passes.h
--- llvm/include/llvm/CodeGen/Passes.h.orig
+++ llvm/include/llvm/CodeGen/Passes.h
@@ -400,6 +400,9 @@ LLVM_ABI extern char &PatchableFunctionID;
 ///
 LLVM_ABI FunctionPass *createStackProtectorPass();
 
+/// createReturnProtectorPass - This pass add return protectors to functions.
+LLVM_ABI FunctionPass *createReturnProtectorPass();
+
 /// createMachineVerifierPass - This pass verifies cenerated machine code
 /// instructions for correctness.
 ///
