diff --git a/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp b/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
--- a/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
+++ b/llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
@@ -522,6 +522,7 @@
   ProfileDataMap.clear();
   CompilerUsedVars.clear();
   UsedVars.clear();
+  ReferencedNames.clear();
   TT = Triple(M.getTargetTriple());
 
   bool MadeChange = false;