Index: llvm/trunk/lib/IR/LegacyPassManager.cpp
===================================================================
--- llvm/trunk/lib/IR/LegacyPassManager.cpp
+++ llvm/trunk/lib/IR/LegacyPassManager.cpp
@@ -677,6 +677,8 @@
   // available at this point.
   const PassInfo *PI = findAnalysisPassInfo(P->getPassID());
   if (PI && PI->isAnalysis() && findAnalysisPass(P->getPassID())) {
+    // Remove any cached AnalysisUsage information.
+    AnUsageMap.erase(P);
     delete P;
     return;
   }