diff --git a/lib/Target/SparcV9/SparcV9Internals.h b/lib/Target/SparcV9/SparcV9Internals.h
index 79bfde7e22f..f394fc0ac38 100644
--- a/lib/Target/SparcV9/SparcV9Internals.h
+++ b/lib/Target/SparcV9/SparcV9Internals.h
@@ -677,6 +677,7 @@ public:
   virtual bool addPassesToJITCompile(FunctionPassManager &PM);
   virtual bool addPassesToEmitMachineCode(FunctionPassManager &PM,
                                           MachineCodeEmitter &MCE);
+  virtual bool replaceMachineCodeForFunction(void *Old, void *New);
 
   // getPrologEpilogInsertionPass - Inserts prolog/epilog code.
   FunctionPass* getPrologEpilogInsertionPass();
diff --git a/lib/Target/X86/X86TargetMachine.h b/lib/Target/X86/X86TargetMachine.h
index 74eced895ae..40c1afb50d7 100644
--- a/lib/Target/X86/X86TargetMachine.h
+++ b/lib/Target/X86/X86TargetMachine.h
@@ -44,6 +44,8 @@ public:
                                           MachineCodeEmitter &MCE);
   
   virtual bool addPassesToEmitAssembly(PassManager &PM, std::ostream &Out);
+
+  virtual bool replaceMachineCodeForFunction (void *Old, void *New);
 };
 
 #endif