MMI may be null.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55626 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/JIT/JITEmitter.cpp b/lib/ExecutionEngine/JIT/JITEmitter.cpp
index 3b96a78..da4cd09 100644
--- a/lib/ExecutionEngine/JIT/JITEmitter.cpp
+++ b/lib/ExecutionEngine/JIT/JITEmitter.cpp
@@ -965,7 +965,9 @@
 
     TheJIT->RegisterTable(FrameRegister);
   }
-  MMI->EndFunction();
+
+  if (MMI)
+    MMI->EndFunction();
  
   return false;
 }