[ORC] Fix a missing return value.

llvm-svn: 335677
diff --git a/llvm/lib/ExecutionEngine/Orc/ExecutionUtils.cpp b/llvm/lib/ExecutionEngine/Orc/ExecutionUtils.cpp
index 1389c2c..95f039a 100644
--- a/llvm/lib/ExecutionEngine/Orc/ExecutionUtils.cpp
+++ b/llvm/lib/ExecutionEngine/Orc/ExecutionUtils.cpp
@@ -175,6 +175,8 @@
     return CtorDtorMap.takeError();
 
   CtorDtorsByPriority.clear();
+
+  return Error::success();
 }
 
 void LocalCXXRuntimeOverridesBase::runDestructors() {