Index: llvm/include/llvm/Analysis/ScalarEvolution.h
===================================================================
--- llvm/include/llvm/Analysis/ScalarEvolution.h
+++ llvm/include/llvm/Analysis/ScalarEvolution.h
@@ -224,7 +224,7 @@
 
 protected:
   SCEVPredicateKind Kind;
-  ~SCEVPredicate() = default;
+  virtual ~SCEVPredicate() = default;
   SCEVPredicate(const SCEVPredicate &) = default;
   SCEVPredicate &operator=(const SCEVPredicate &) = default;
 
Index: llvm/include/llvm/DebugInfo/DWARF/DWARFContext.h
===================================================================
--- llvm/include/llvm/DebugInfo/DWARF/DWARFContext.h
+++ llvm/include/llvm/DebugInfo/DWARF/DWARFContext.h
@@ -118,7 +118,7 @@
                    WithColor::defaultErrorHandler,
                std::function<void(Error)> WarningHandler =
                    WithColor::defaultWarningHandler);
-  ~DWARFContext();
+  ~DWARFContext() override;
 
   DWARFContext(DWARFContext &) = delete;
   DWARFContext &operator=(DWARFContext &) = delete;
Index: llvm/include/llvm/IR/IRBuilder.h
===================================================================
--- llvm/include/llvm/IR/IRBuilder.h
+++ llvm/include/llvm/IR/IRBuilder.h
@@ -77,7 +77,7 @@
   std::function<void(Instruction *)> Callback;
 
 public:
-  virtual ~IRBuilderCallbackInserter();
+  virtual ~IRBuilderCallbackInserter() override;
 
   IRBuilderCallbackInserter(std::function<void(Instruction *)> Callback)
       : Callback(std::move(Callback)) {}