diff --git a/llvm/tools/opt/NewPMDriver.cpp b/llvm/tools/opt/NewPMDriver.cpp
--- a/llvm/tools/opt/NewPMDriver.cpp
+++ b/llvm/tools/opt/NewPMDriver.cpp
@@ -368,7 +368,8 @@
     } else /* CSPGOKindFlag == CSInstrUse */ {
       if (!P)
         errs() << "CSInstrUse needs to be together with InstrUse";
-      P->CSAction = PGOOptions::CSIRUse;
+      else
+        P->CSAction = PGOOptions::CSIRUse;
     }
   }
   if (TM)