diff --git a/llvm/include/llvm/iTerminators.h b/llvm/include/llvm/iTerminators.h
index fa1dbd6d8d3a..c5047bc6c3c3 100644
--- a/llvm/include/llvm/iTerminators.h
+++ b/llvm/include/llvm/iTerminators.h
@@ -190,6 +190,8 @@ public:
 
   virtual Instruction *clone() const { return new InvokeInst(*this); }
 
+  bool hasSideEffects() const { return true; }
+
   // getCalledFunction - Return the function called, or null if this is an
   // indirect function invocation...
   //