resolved conflicts for merge of 7c75d915 to master

Change-Id: I25c1dc90af679e2463abffd33ee8838b4727396f
diff --git a/lib/ExecutionEngine/Compiler.h b/lib/ExecutionEngine/Compiler.h
index 8cc3d2e..c70a920 100644
--- a/lib/ExecutionEngine/Compiler.h
+++ b/lib/ExecutionEngine/Compiler.h
@@ -184,7 +184,8 @@
     int runLTO(llvm::TargetData *TD,
                llvm::NamedMDNode const *ExportVarMetadata,
                llvm::NamedMDNode const *ExportFuncMetadata,
-               std::vector<std::string>& ForEachExpandList);
+               std::vector<std::string>& ForEachExpandList,
+               llvm::CodeGenOpt::Level OptimizationLevel);
 
     bool hasError() const {
       return !mError.empty();