Deal with error handling better.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34887 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/Interpreter/Interpreter.h b/lib/ExecutionEngine/Interpreter/Interpreter.h
index abc3e08..04c9e2a 100644
--- a/lib/ExecutionEngine/Interpreter/Interpreter.h
+++ b/lib/ExecutionEngine/Interpreter/Interpreter.h
@@ -120,7 +120,7 @@
   
   /// create - Create an interpreter ExecutionEngine. This can never fail.
   ///
-  static ExecutionEngine *create(ModuleProvider *M);
+  static ExecutionEngine *create(ModuleProvider *M, std::string *ErrorStr = 0);
 
   /// run - Start execution with the specified function and arguments.
   ///