Index: lib/Transforms/Scalar/MemCpyOptimizer.cpp
===================================================================
--- lib/Transforms/Scalar/MemCpyOptimizer.cpp
+++ lib/Transforms/Scalar/MemCpyOptimizer.cpp
@@ -360,7 +360,6 @@
     AU.addRequired<AAResultsWrapperPass>();
     AU.addRequired<TargetLibraryInfoWrapperPass>();
     AU.addPreserved<GlobalsAAWrapperPass>();
-    AU.addPreserved<MemoryDependenceWrapperPass>();
   }
 };
 
@@ -1447,7 +1446,6 @@
   PreservedAnalyses PA;
   PA.preserveSet<CFGAnalyses>();
   PA.preserve<GlobalsAA>();
-  PA.preserve<MemoryDependenceAnalysis>();
   return PA;
 }