diff --git a/llvm/include/llvm/DebugInfo/CodeView/AppendingTypeTableBuilder.h b/llvm/include/llvm/DebugInfo/CodeView/AppendingTypeTableBuilder.h
index 3a36863ac7e32..5a46207d402e5 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/AppendingTypeTableBuilder.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/AppendingTypeTableBuilder.h
@@ -34,7 +34,7 @@ class LLVM_ABI AppendingTypeTableBuilder : public TypeCollection {
 
 public:
   explicit AppendingTypeTableBuilder(BumpPtrAllocator &Storage);
-  ~AppendingTypeTableBuilder();
+  ~AppendingTypeTableBuilder() override;
 
   // TypeCollection overrides
   std::optional<TypeIndex> getFirst() override;
diff --git a/llvm/include/llvm/DebugInfo/CodeView/GlobalTypeTableBuilder.h b/llvm/include/llvm/DebugInfo/CodeView/GlobalTypeTableBuilder.h
index a587b3e2ed628..93e1c99a0110e 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/GlobalTypeTableBuilder.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/GlobalTypeTableBuilder.h
@@ -47,7 +47,7 @@ class LLVM_ABI GlobalTypeTableBuilder : public TypeCollection {
 
 public:
   explicit GlobalTypeTableBuilder(BumpPtrAllocator &Storage);
-  ~GlobalTypeTableBuilder();
+  ~GlobalTypeTableBuilder() override;
 
   // TypeCollection overrides
   std::optional<TypeIndex> getFirst() override;
diff --git a/llvm/include/llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h b/llvm/include/llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h
index 730278488176a..b9b2669c84085 100644
--- a/llvm/include/llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h
+++ b/llvm/include/llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h
@@ -43,7 +43,7 @@ class LLVM_ABI MergingTypeTableBuilder : public TypeCollection {
 
 public:
   explicit MergingTypeTableBuilder(BumpPtrAllocator &Storage);
-  ~MergingTypeTableBuilder();
+  ~MergingTypeTableBuilder() override;
 
   // TypeCollection overrides
   std::optional<TypeIndex> getFirst() override;
diff --git a/llvm/include/llvm/DebugInfo/GSYM/GsymContext.h b/llvm/include/llvm/DebugInfo/GSYM/GsymContext.h
index 07d599cf9b5c6..e3e9b2bb91e8a 100644
--- a/llvm/include/llvm/DebugInfo/GSYM/GsymContext.h
+++ b/llvm/include/llvm/DebugInfo/GSYM/GsymContext.h
@@ -30,7 +30,7 @@ class GsymReader;
 class GsymContext : public DIContext {
 public:
   GsymContext(std::unique_ptr<GsymReader> Reader);
-  ~GsymContext();
+  ~GsymContext() override;
 
   GsymContext(GsymContext &) = delete;
   GsymContext &operator=(GsymContext &) = delete;
diff --git a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVElement.h b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVElement.h
index 0e7be45abfef4..34bace886a15f 100644
--- a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVElement.h
+++ b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVElement.h
@@ -143,7 +143,7 @@ class LLVM_ABI LVElement : public LVObject {
         VirtualityCode(0) {}
   LVElement(const LVElement &) = delete;
   LVElement &operator=(const LVElement &) = delete;
-  virtual ~LVElement() = default;
+  ~LVElement() override = default;
 
   LVSubclassID getSubclassID() const { return SubclassID; }
 
diff --git a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVLine.h b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVLine.h
index 3618ce7b0ecda..dd17f76f966ef 100644
--- a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVLine.h
+++ b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVLine.h
@@ -53,7 +53,7 @@ class LLVM_ABI LVLine : public LVElement {
   }
   LVLine(const LVLine &) = delete;
   LVLine &operator=(const LVLine &) = delete;
-  virtual ~LVLine() = default;
+  ~LVLine() override = default;
 
   static bool classof(const LVElement *Element) {
     return Element->getSubclassID() == LVSubclassID::LV_LINE;
@@ -117,7 +117,7 @@ class LLVM_ABI LVLineDebug final : public LVLine {
   LVLineDebug() : LVLine() { setIsLineDebug(); }
   LVLineDebug(const LVLineDebug &) = delete;
   LVLineDebug &operator=(const LVLineDebug &) = delete;
-  ~LVLineDebug() = default;
+  ~LVLineDebug() override = default;
 
   // Additional line information. It includes attributes that describes
   // states in the machine instructions (basic block, end prologue, etc).
@@ -142,7 +142,7 @@ class LLVM_ABI LVLineAssembler final : public LVLine {
   LVLineAssembler() : LVLine() { setIsLineAssembler(); }
   LVLineAssembler(const LVLineAssembler &) = delete;
   LVLineAssembler &operator=(const LVLineAssembler &) = delete;
-  ~LVLineAssembler() = default;
+  ~LVLineAssembler() override = default;
 
   // Print blanks as the line number.
   std::string noLineAsString(bool ShowZero) const override {
diff --git a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVLocation.h b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVLocation.h
index 0718e33f5645b..090af54cd1b85 100644
--- a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVLocation.h
+++ b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVLocation.h
@@ -100,7 +100,7 @@ class LLVM_ABI LVLocation : public LVObject {
   LVLocation() : LVObject() { setIsLocation(); }
   LVLocation(const LVLocation &) = delete;
   LVLocation &operator=(const LVLocation &) = delete;
-  virtual ~LVLocation() = default;
+  ~LVLocation() override = default;
 
   PROPERTY(Property, IsAddressRange);
   PROPERTY(Property, IsBaseClassOffset);
@@ -171,7 +171,7 @@ class LLVM_ABI LVLocationSymbol final : public LVLocation {
   LVLocationSymbol() : LVLocation() {}
   LVLocationSymbol(const LVLocationSymbol &) = delete;
   LVLocationSymbol &operator=(const LVLocationSymbol &) = delete;
-  ~LVLocationSymbol() = default;
+  ~LVLocationSymbol() override = default;
 
   void addObject(LVAddress LowPC, LVAddress HighPC, LVUnsigned SectionOffset,
                  uint64_t LocDescOffset) override;
diff --git a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVRange.h b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVRange.h
index b5c833330e59e..4fa6a9aa6f047 100644
--- a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVRange.h
+++ b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVRange.h
@@ -62,7 +62,7 @@ class LLVM_ABI LVRange final : public LVObject {
   LVRange() : LVObject(), RangesTree(Allocator) {}
   LVRange(const LVRange &) = delete;
   LVRange &operator=(const LVRange &) = delete;
-  ~LVRange() = default;
+  ~LVRange() override = default;
 
   void addEntry(LVScope *Scope, LVAddress LowerAddress, LVAddress UpperAddress);
   void addEntry(LVScope *Scope);
diff --git a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVScope.h b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVScope.h
index f4f3516769938..2e2619c55d58e 100644
--- a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVScope.h
+++ b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVScope.h
@@ -153,7 +153,7 @@ class LLVM_ABI LVScope : public LVElement {
   }
   LVScope(const LVScope &) = delete;
   LVScope &operator=(const LVScope &) = delete;
-  virtual ~LVScope() = default;
+  ~LVScope() override = default;
 
   static bool classof(const LVElement *Element) {
     return Element->getSubclassID() == LVSubclassID::LV_SCOPE;
@@ -349,7 +349,7 @@ class LLVM_ABI LVScopeAggregate final : public LVScope {
   LVScopeAggregate() : LVScope() {}
   LVScopeAggregate(const LVScopeAggregate &) = delete;
   LVScopeAggregate &operator=(const LVScopeAggregate &) = delete;
-  ~LVScopeAggregate() = default;
+  ~LVScopeAggregate() override = default;
 
   // DW_AT_specification, DW_AT_abstract_origin.
   LVScope *getReference() const override { return Reference; }
@@ -387,7 +387,7 @@ class LLVM_ABI LVScopeAlias final : public LVScope {
   }
   LVScopeAlias(const LVScopeAlias &) = delete;
   LVScopeAlias &operator=(const LVScopeAlias &) = delete;
-  ~LVScopeAlias() = default;
+  ~LVScopeAlias() override = default;
 
   // Returns true if current scope is logically equal to the given 'Scope'.
   bool equals(const LVScope *Scope) const override;
@@ -401,7 +401,7 @@ class LLVM_ABI LVScopeArray final : public LVScope {
   LVScopeArray() : LVScope() { setIsArray(); }
   LVScopeArray(const LVScopeArray &) = delete;
   LVScopeArray &operator=(const LVScopeArray &) = delete;
-  ~LVScopeArray() = default;
+  ~LVScopeArray() override = default;
 
   void resolveExtra() override;
 
@@ -513,7 +513,7 @@ class LLVM_ABI LVScopeCompileUnit final : public LVScope {
   }
   LVScopeCompileUnit(const LVScopeCompileUnit &) = delete;
   LVScopeCompileUnit &operator=(const LVScopeCompileUnit &) = delete;
-  ~LVScopeCompileUnit() = default;
+  ~LVScopeCompileUnit() override = default;
 
   LVScope *getCompileUnitParent() const override {
     return static_cast<LVScope *>(const_cast<LVScopeCompileUnit *>(this));
@@ -643,7 +643,7 @@ class LLVM_ABI LVScopeEnumeration final : public LVScope {
   LVScopeEnumeration() : LVScope() { setIsEnumeration(); }
   LVScopeEnumeration(const LVScopeEnumeration &) = delete;
   LVScopeEnumeration &operator=(const LVScopeEnumeration &) = delete;
-  ~LVScopeEnumeration() = default;
+  ~LVScopeEnumeration() override = default;
 
   // Returns true if current scope is logically equal to the given 'Scope'.
   bool equals(const LVScope *Scope) const override;
@@ -658,7 +658,7 @@ class LLVM_ABI LVScopeFormalPack final : public LVScope {
   LVScopeFormalPack() : LVScope() { setIsTemplatePack(); }
   LVScopeFormalPack(const LVScopeFormalPack &) = delete;
   LVScopeFormalPack &operator=(const LVScopeFormalPack &) = delete;
-  ~LVScopeFormalPack() = default;
+  ~LVScopeFormalPack() override = default;
 
   // Returns true if current scope is logically equal to the given 'Scope'.
   bool equals(const LVScope *Scope) const override;
@@ -676,7 +676,7 @@ class LLVM_ABI LVScopeFunction : public LVScope {
   LVScopeFunction() : LVScope() {}
   LVScopeFunction(const LVScopeFunction &) = delete;
   LVScopeFunction &operator=(const LVScopeFunction &) = delete;
-  virtual ~LVScopeFunction() = default;
+  ~LVScopeFunction() override = default;
 
   // DW_AT_specification, DW_AT_abstract_origin.
   LVScope *getReference() const override { return Reference; }
@@ -728,7 +728,7 @@ class LLVM_ABI LVScopeFunctionInlined final : public LVScopeFunction {
   LVScopeFunctionInlined() : LVScopeFunction() { setIsInlinedFunction(); }
   LVScopeFunctionInlined(const LVScopeFunctionInlined &) = delete;
   LVScopeFunctionInlined &operator=(const LVScopeFunctionInlined &) = delete;
-  ~LVScopeFunctionInlined() = default;
+  ~LVScopeFunctionInlined() override = default;
 
   uint32_t getDiscriminator() const override { return Discriminator; }
   void setDiscriminator(uint32_t Value) override {
@@ -767,7 +767,7 @@ class LLVM_ABI LVScopeFunctionType final : public LVScopeFunction {
   LVScopeFunctionType() : LVScopeFunction() { setIsFunctionType(); }
   LVScopeFunctionType(const LVScopeFunctionType &) = delete;
   LVScopeFunctionType &operator=(const LVScopeFunctionType &) = delete;
-  ~LVScopeFunctionType() = default;
+  ~LVScopeFunctionType() override = default;
 
   void resolveExtra() override;
 };
@@ -781,7 +781,7 @@ class LLVM_ABI LVScopeModule final : public LVScope {
   }
   LVScopeModule(const LVScopeModule &) = delete;
   LVScopeModule &operator=(const LVScopeModule &) = delete;
-  ~LVScopeModule() = default;
+  ~LVScopeModule() override = default;
 
   // Returns true if current scope is logically equal to the given 'Scope'.
   bool equals(const LVScope *Scope) const override;
@@ -797,7 +797,7 @@ class LLVM_ABI LVScopeNamespace final : public LVScope {
   LVScopeNamespace() : LVScope() { setIsNamespace(); }
   LVScopeNamespace(const LVScopeNamespace &) = delete;
   LVScopeNamespace &operator=(const LVScopeNamespace &) = delete;
-  ~LVScopeNamespace() = default;
+  ~LVScopeNamespace() override = default;
 
   // Access DW_AT_extension reference.
   LVScope *getReference() const override { return Reference; }
@@ -827,7 +827,7 @@ class LLVM_ABI LVScopeRoot final : public LVScope {
   LVScopeRoot() : LVScope() { setIsRoot(); }
   LVScopeRoot(const LVScopeRoot &) = delete;
   LVScopeRoot &operator=(const LVScopeRoot &) = delete;
-  ~LVScopeRoot() = default;
+  ~LVScopeRoot() override = default;
 
   StringRef getFileFormatName() const {
     return getStringPool().getString(FileFormatNameIndex);
@@ -859,7 +859,7 @@ class LLVM_ABI LVScopeTemplatePack final : public LVScope {
   LVScopeTemplatePack() : LVScope() { setIsTemplatePack(); }
   LVScopeTemplatePack(const LVScopeTemplatePack &) = delete;
   LVScopeTemplatePack &operator=(const LVScopeTemplatePack &) = delete;
-  ~LVScopeTemplatePack() = default;
+  ~LVScopeTemplatePack() override = default;
 
   // Returns true if current scope is logically equal to the given 'Scope'.
   bool equals(const LVScope *Scope) const override;
diff --git a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVSymbol.h b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVSymbol.h
index ec9017e16b659..c5314fca084da 100644
--- a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVSymbol.h
+++ b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVSymbol.h
@@ -74,7 +74,7 @@ class LLVM_ABI LVSymbol final : public LVElement {
   }
   LVSymbol(const LVSymbol &) = delete;
   LVSymbol &operator=(const LVSymbol &) = delete;
-  ~LVSymbol() = default;
+  ~LVSymbol() override = default;
 
   static bool classof(const LVElement *Element) {
     return Element->getSubclassID() == LVSubclassID::LV_SYMBOL;
diff --git a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVType.h b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVType.h
index 59e6a92be8ce6..af4abcf56c5ac 100644
--- a/llvm/include/llvm/DebugInfo/LogicalView/Core/LVType.h
+++ b/llvm/include/llvm/DebugInfo/LogicalView/Core/LVType.h
@@ -67,7 +67,7 @@ class LLVM_ABI LVType : public LVElement {
   LVType() : LVElement(LVSubclassID::LV_TYPE) { setIsType(); }
   LVType(const LVType &) = delete;
   LVType &operator=(const LVType &) = delete;
-  virtual ~LVType() = default;
+  ~LVType() override = default;
 
   static bool classof(const LVElement *Element) {
     return Element->getSubclassID() == LVSubclassID::LV_TYPE;
@@ -157,7 +157,7 @@ class LLVM_ABI LVTypeDefinition final : public LVType {
   }
   LVTypeDefinition(const LVTypeDefinition &) = delete;
   LVTypeDefinition &operator=(const LVTypeDefinition &) = delete;
-  ~LVTypeDefinition() = default;
+  ~LVTypeDefinition() override = default;
 
   // Return the underlying type for a type definition.
   LVElement *getUnderlyingType() override;
@@ -183,7 +183,7 @@ class LLVM_ABI LVTypeEnumerator final : public LVType {
   }
   LVTypeEnumerator(const LVTypeEnumerator &) = delete;
   LVTypeEnumerator &operator=(const LVTypeEnumerator &) = delete;
-  ~LVTypeEnumerator() = default;
+  ~LVTypeEnumerator() override = default;
 
   // Process the values for a DW_TAG_enumerator.
   StringRef getValue() const override {
@@ -206,7 +206,7 @@ class LLVM_ABI LVTypeImport final : public LVType {
   LVTypeImport() : LVType() { setIncludeInPrint(); }
   LVTypeImport(const LVTypeImport &) = delete;
   LVTypeImport &operator=(const LVTypeImport &) = delete;
-  ~LVTypeImport() = default;
+  ~LVTypeImport() override = default;
 
   // Returns true if current type is logically equal to the given 'Type'.
   bool equals(const LVType *Type) const override;
@@ -223,7 +223,7 @@ class LLVM_ABI LVTypeParam final : public LVType {
   LVTypeParam();
   LVTypeParam(const LVTypeParam &) = delete;
   LVTypeParam &operator=(const LVTypeParam &) = delete;
-  ~LVTypeParam() = default;
+  ~LVTypeParam() override = default;
 
   // Template parameter value.
   StringRef getValue() const override {
@@ -256,7 +256,7 @@ class LLVM_ABI LVTypeSubrange final : public LVType {
   }
   LVTypeSubrange(const LVTypeSubrange &) = delete;
   LVTypeSubrange &operator=(const LVTypeSubrange &) = delete;
-  ~LVTypeSubrange() = default;
+  ~LVTypeSubrange() override = default;
 
   int64_t getCount() const override {
     return getIsSubrangeCount() ? LowerBound : 0;
diff --git a/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVBinaryReader.h b/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVBinaryReader.h
index 2cf4a8ec6a37f..cc8dda2f82bee 100644
--- a/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVBinaryReader.h
+++ b/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVBinaryReader.h
@@ -192,7 +192,7 @@ class LVBinaryReader : public LVReader {
       : LVReader(Filename, FileFormatName, W, BinaryType) {}
   LVBinaryReader(const LVBinaryReader &) = delete;
   LVBinaryReader &operator=(const LVBinaryReader &) = delete;
-  virtual ~LVBinaryReader() = default;
+  ~LVBinaryReader() override = default;
 
   void addInlineeLines(LVScope *Scope, LVLines &Lines) {
     CUInlineeLines.emplace(Scope, std::make_unique<LVLines>(std::move(Lines)));
diff --git a/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVCodeViewReader.h b/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVCodeViewReader.h
index 4dd7c967ddc17..9f6fd553221db 100644
--- a/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVCodeViewReader.h
+++ b/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVCodeViewReader.h
@@ -200,7 +200,7 @@ class LVCodeViewReader final : public LVBinaryReader {
         Input(&Pdb), ExePath(ExePath), LogicalVisitor(this, W, Input) {}
   LVCodeViewReader(const LVCodeViewReader &) = delete;
   LVCodeViewReader &operator=(const LVCodeViewReader &) = delete;
-  ~LVCodeViewReader() = default;
+  ~LVCodeViewReader() override = default;
 
   void getLinkageName(const llvm::object::coff_section *CoffSection,
                       uint32_t RelocOffset, uint32_t Offset,
diff --git a/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVDWARFReader.h b/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVDWARFReader.h
index 2abc18b8dacac..1cf29147fe2a1 100644
--- a/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVDWARFReader.h
+++ b/llvm/include/llvm/DebugInfo/LogicalView/Readers/LVDWARFReader.h
@@ -123,7 +123,7 @@ class LVDWARFReader final : public LVBinaryReader {
         Obj(Obj) {}
   LVDWARFReader(const LVDWARFReader &) = delete;
   LVDWARFReader &operator=(const LVDWARFReader &) = delete;
-  ~LVDWARFReader() = default;
+  ~LVDWARFReader() override = default;
 
   LVAddress getCUBaseAddress() const { return CUBaseAddress; }
   void setCUBaseAddress(LVAddress Address) { CUBaseAddress = Address; }
diff --git a/llvm/include/llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h b/llvm/include/llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h
index b21cd092939e6..c0b315131a911 100644
--- a/llvm/include/llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h
+++ b/llvm/include/llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h
@@ -20,7 +20,7 @@ namespace pdb {
 class LLVM_ABI PDBSymbolTypeBuiltin : public PDBSymbol {
   DECLARE_PDB_SYMBOL_CONCRETE_TYPE(PDB_SymType::BuiltinType)
 public:
-  ~PDBSymbolTypeBuiltin();
+  ~PDBSymbolTypeBuiltin() override;
   void dump(PDBSymDumper &Dumper) const override;
 
   FORWARD_SYMBOL_METHOD(getBuiltinType)
diff --git a/llvm/unittests/DebugInfo/LogicalView/CompareElementsTest.cpp b/llvm/unittests/DebugInfo/LogicalView/CompareElementsTest.cpp
index e9c1fbae4e0a7..d3bf26ba14ff0 100644
--- a/llvm/unittests/DebugInfo/LogicalView/CompareElementsTest.cpp
+++ b/llvm/unittests/DebugInfo/LogicalView/CompareElementsTest.cpp
@@ -75,8 +75,8 @@ class ReaderTestCompare : public LVReader {
     setInstance(this);
   }
 
-  Error createScopes() { return LVReader::createScopes(); }
-  Error printScopes() { return LVReader::printScopes(); }
+  Error createScopes() override { return LVReader::createScopes(); }
+  Error printScopes() override { return LVReader::printScopes(); }
 
   void createElements();
   void addElements(bool IsReference, bool IsTarget);
diff --git a/llvm/unittests/DebugInfo/LogicalView/LocationRangesTest.cpp b/llvm/unittests/DebugInfo/LogicalView/LocationRangesTest.cpp
index 86949714afae4..7cd681369bc85 100644
--- a/llvm/unittests/DebugInfo/LogicalView/LocationRangesTest.cpp
+++ b/llvm/unittests/DebugInfo/LogicalView/LocationRangesTest.cpp
@@ -34,7 +34,7 @@ class ReaderTest : public LVReader {
 public:
   ReaderTest(ScopedPrinter &W) : LVReader("", "", W) { setInstance(this); }
 
-  Error createScopes() { return LVReader::createScopes(); }
+  Error createScopes() override { return LVReader::createScopes(); }
 };
 
 // Helper function to add a logical element to a given scope.
diff --git a/llvm/unittests/DebugInfo/LogicalView/LogicalElementsTest.cpp b/llvm/unittests/DebugInfo/LogicalView/LogicalElementsTest.cpp
index 8aa856ad30397..866739f09cf3f 100644
--- a/llvm/unittests/DebugInfo/LogicalView/LogicalElementsTest.cpp
+++ b/llvm/unittests/DebugInfo/LogicalView/LogicalElementsTest.cpp
@@ -72,8 +72,8 @@ class ReaderTestElements : public LVReader {
     setInstance(this);
   }
 
-  Error createScopes() { return LVReader::createScopes(); }
-  Error printScopes() { return LVReader::printScopes(); }
+  Error createScopes() override { return LVReader::createScopes(); }
+  Error printScopes() override { return LVReader::printScopes(); }
 
   void createElements();
   void addElements();
diff --git a/llvm/unittests/DebugInfo/LogicalView/SelectElementsTest.cpp b/llvm/unittests/DebugInfo/LogicalView/SelectElementsTest.cpp
index 70835ce05507c..2653347e76a41 100644
--- a/llvm/unittests/DebugInfo/LogicalView/SelectElementsTest.cpp
+++ b/llvm/unittests/DebugInfo/LogicalView/SelectElementsTest.cpp
@@ -60,7 +60,7 @@ class ReaderTestSelection : public LVReader {
     setInstance(this);
   }
 
-  Error createScopes() { return LVReader::createScopes(); }
+  Error createScopes() override { return LVReader::createScopes(); }
 
   void createElements();
   void addElements();
diff --git a/llvm/unittests/DebugInfo/LogicalView/WarningInternalTest.cpp b/llvm/unittests/DebugInfo/LogicalView/WarningInternalTest.cpp
index 36c6e16a78dfa..011321b92427c 100644
--- a/llvm/unittests/DebugInfo/LogicalView/WarningInternalTest.cpp
+++ b/llvm/unittests/DebugInfo/LogicalView/WarningInternalTest.cpp
@@ -117,7 +117,7 @@ class ReaderTestWarningInternal : public LVReader {
     setInstance(this);
   }
 
-  Error createScopes() { return LVReader::createScopes(); }
+  Error createScopes() override { return LVReader::createScopes(); }
 
   void setMapping();
   void createElements();