Index: lib/ExecutionEngine/MCJIT/MCJIT.h
===================================================================
--- lib/ExecutionEngine/MCJIT/MCJIT.h
+++ lib/ExecutionEngine/MCJIT/MCJIT.h
@@ -121,6 +121,10 @@
              (FinalizedModules.count(M) != 0);
     }
 
+    bool allModulesAreFinalized() {
+      return (AddedModules.size() == 0) && (LoadedModules.size() == 0);
+    }
+
     void markModuleAsLoaded(Module *M) {
       // This checks against logic errors in the MCJIT implementation.
       // This function should never be called with either a Module that MCJIT
Index: lib/ExecutionEngine/MCJIT/MCJIT.cpp
===================================================================
--- lib/ExecutionEngine/MCJIT/MCJIT.cpp
+++ lib/ExecutionEngine/MCJIT/MCJIT.cpp
@@ -231,6 +231,9 @@
 void MCJIT::finalizeLoadedModules() {
   MutexGuard locked(lock);
 
+  if (OwnedModules.allModulesAreFinalized())
+    return;
+
   // Resolve any outstanding relocations.
   Dyld.resolveRelocations();