Index: llvm/lib/Transforms/Scalar/StructurizeCFG.cpp
===================================================================
--- llvm/lib/Transforms/Scalar/StructurizeCFG.cpp
+++ llvm/lib/Transforms/Scalar/StructurizeCFG.cpp
@@ -245,7 +245,6 @@
     initializeStructurizeCFGPass(*PassRegistry::getPassRegistry());
   }
 
-  using Pass::doInitialization;
   bool doInitialization(Region *R, RGPassManager &RGM) override;
 
   bool runOnRegion(Region *R, RGPassManager &RGM) override;