Libraries: Use default constructors/destructors in LibJS

https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules

"The compiler is more likely to get the default semantics right and
you cannot implement these functions better than the compiler."

Userland/Libraries/LibJS/AST.h

@@ -46,7 +46,7 @@ create_ast_node(SourceRange range, Args&&... args)
 
 class ASTNode : public RefCounted<ASTNode> {
 public:
-    virtual ~ASTNode() { }
+    virtual ~ASTNode() = default;
     virtual Completion execute(Interpreter&, GlobalObject&) const = 0;
     virtual Bytecode::CodeGenerationErrorOr<void> generate_bytecode(Bytecode::Generator&) const;
     virtual void dump(int indent) const;

Userland/Libraries/LibJS/Bytecode/Generator.cpp

@@ -19,10 +19,6 @@ Generator::Generator()
 {
 }
 
-Generator::~Generator()
-{
-}
-
 CodeGenerationErrorOr<NonnullOwnPtr<Executable>> Generator::generate(ASTNode const& node, FunctionKind enclosing_function_kind)
 {
     Generator generator;

Userland/Libraries/LibJS/Bytecode/Generator.h

@@ -194,7 +194,7 @@ public:
 
 private:
     Generator();
-    ~Generator();
+    ~Generator() = default;
 
     void grow(size_t);
     void* next_slot();

Userland/Libraries/LibJS/Heap/BlockAllocator.cpp

@@ -17,10 +17,6 @@
 
 namespace JS {
 
-BlockAllocator::BlockAllocator()
-{
-}
-
 BlockAllocator::~BlockAllocator()
 {
     for (auto* block : m_blocks) {

Userland/Libraries/LibJS/Heap/BlockAllocator.h

@@ -13,7 +13,7 @@ namespace JS {
 
 class BlockAllocator {
 public:
-    BlockAllocator();
+    BlockAllocator() = default;
     ~BlockAllocator();
 
     void* allocate_block(char const* name);

Userland/Libraries/LibJS/Heap/Cell.h

@@ -19,7 +19,7 @@ class Cell {
 
 public:
     virtual void initialize(GlobalObject&) { }
-    virtual ~Cell() { }
+    virtual ~Cell() = default;
 
     bool is_marked() const { return m_mark; }
     void set_marked(bool b) { m_mark = b; }
@@ -55,7 +55,7 @@ public:
     VM& vm() const;
 
 protected:
-    Cell() { }
+    Cell() = default;
 
 private:
     bool m_mark : 1 { false };

Userland/Libraries/LibJS/Heap/Heap.cpp

@@ -173,7 +173,7 @@ __attribute__((no_sanitize("address"))) void Heap::gather_conservative_roots(Has
 
 class MarkingVisitor final : public Cell::Visitor {
 public:
-    MarkingVisitor() { }
+    MarkingVisitor() = default;
 
     virtual void visit_impl(Cell& cell) override
     {

Userland/Libraries/LibJS/Interpreter.cpp

@@ -36,10 +36,6 @@ Interpreter::Interpreter(VM& vm)
 {
 }
 
-Interpreter::~Interpreter()
-{
-}
-
 // 16.1.6 ScriptEvaluation ( scriptRecord ), https://tc39.es/ecma262/#sec-runtime-semantics-scriptevaluation
 ThrowCompletionOr<Value> Interpreter::run(Script& script_record)
 {

Userland/Libraries/LibJS/Interpreter.h

@@ -101,7 +101,7 @@ public:
 
     static NonnullOwnPtr<Interpreter> create_with_existing_realm(Realm&);
 
-    ~Interpreter();
+    ~Interpreter() = default;
 
     ThrowCompletionOr<Value> run(Script&);
     ThrowCompletionOr<Value> run(SourceTextModule&);

Userland/Libraries/LibJS/Module.cpp

@@ -17,10 +17,6 @@ Module::Module(Realm& realm, String filename)
 {
 }
 
-Module::~Module()
-{
-}
-
 // 16.2.1.5.1.1 InnerModuleLinking ( module, stack, index ), https://tc39.es/ecma262/#sec-InnerModuleLinking
 ThrowCompletionOr<u32> Module::inner_module_linking(VM& vm, Vector<Module*>&, u32 index)
 {

Userland/Libraries/LibJS/Module.h

@@ -59,7 +59,7 @@ class Module
     : public RefCounted<Module>
     , public Weakable<Module> {
 public:
-    virtual ~Module();
+    virtual ~Module() = default;
 
     Realm& realm() { return *m_realm.cell(); }
     Realm const& realm() const { return *m_realm.cell(); }

Userland/Libraries/LibJS/Runtime/ArgumentsObject.cpp

@@ -23,10 +23,6 @@ void ArgumentsObject::initialize(GlobalObject& global_object)
     m_parameter_map = Object::create(global_object, nullptr);
 }
 
-ArgumentsObject::~ArgumentsObject()
-{
-}
-
 void ArgumentsObject::visit_edges(Cell::Visitor& visitor)
 {
     Base::visit_edges(visitor);

Userland/Libraries/LibJS/Runtime/ArgumentsObject.h

@@ -19,7 +19,7 @@ public:
     ArgumentsObject(GlobalObject&, Environment&);
 
     virtual void initialize(GlobalObject&) override;
-    virtual ~ArgumentsObject() override;
+    virtual ~ArgumentsObject() override = default;
 
     Environment& environment() { return m_environment; }
 

Userland/Libraries/LibJS/Runtime/Array.cpp

@@ -52,10 +52,6 @@ Array::Array(Object& prototype)
 {
 }
 
-Array::~Array()
-{
-}
-
 // 10.4.2.4 ArraySetLength ( A, Desc ), https://tc39.es/ecma262/#sec-arraysetlength
 ThrowCompletionOr<bool> Array::set_length(PropertyDescriptor const& property_descriptor)
 {

Userland/Libraries/LibJS/Runtime/Array.h

@@ -35,7 +35,7 @@ public:
     }
 
     explicit Array(Object& prototype);
-    virtual ~Array() override;
+    virtual ~Array() override = default;
 
     virtual ThrowCompletionOr<Optional<PropertyDescriptor>> internal_get_own_property(PropertyKey const&) const override;
     virtual ThrowCompletionOr<bool> internal_define_own_property(PropertyKey const&, PropertyDescriptor const&) override;

Userland/Libraries/LibJS/Runtime/ArrayBuffer.cpp

@@ -44,10 +44,6 @@ ArrayBuffer::ArrayBuffer(ByteBuffer* buffer, Object& prototype)
 {
 }
 
-ArrayBuffer::~ArrayBuffer()
-{
-}
-
 // 1.1.5 IsResizableArrayBuffer ( arrayBuffer ), https://tc39.es/proposal-resizablearraybuffer/#sec-isresizablearraybuffer
 bool ArrayBuffer::is_resizable_array_buffer() const
 {

Userland/Libraries/LibJS/Runtime/ArrayBuffer.h

@@ -31,7 +31,7 @@ public:
 
     ArrayBuffer(ByteBuffer buffer, Object& prototype);
     ArrayBuffer(ByteBuffer* buffer, Object& prototype);
-    virtual ~ArrayBuffer() override;
+    virtual ~ArrayBuffer() override = default;
 
     size_t byte_length() const { return buffer_impl().size(); }
     size_t max_byte_length() const { return m_max_byte_length.value(); } // Will VERIFY() that it has value

Userland/Libraries/LibJS/Runtime/ArrayBufferConstructor.cpp

@@ -36,10 +36,6 @@ void ArrayBufferConstructor::initialize(GlobalObject& global_object)
     define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
 }
 
-ArrayBufferConstructor::~ArrayBufferConstructor()
-{
-}
-
 // 25.1.3.1 ArrayBuffer ( length ), https://tc39.es/ecma262/#sec-arraybuffer-length
 ThrowCompletionOr<Value> ArrayBufferConstructor::call()
 {

Userland/Libraries/LibJS/Runtime/ArrayBufferConstructor.h

@@ -16,7 +16,7 @@ class ArrayBufferConstructor final : public NativeFunction {
 public:
     explicit ArrayBufferConstructor(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~ArrayBufferConstructor() override;
+    virtual ~ArrayBufferConstructor() override = default;
 
     virtual ThrowCompletionOr<Value> call() override;
     virtual ThrowCompletionOr<Object*> construct(FunctionObject& new_target) override;

Userland/Libraries/LibJS/Runtime/ArrayBufferPrototype.cpp

@@ -35,10 +35,6 @@ void ArrayBufferPrototype::initialize(GlobalObject& global_object)
     define_direct_property(*vm.well_known_symbol_to_string_tag(), js_string(vm, vm.names.ArrayBuffer.as_string()), Attribute::Configurable);
 }
 
-ArrayBufferPrototype::~ArrayBufferPrototype()
-{
-}
-
 // 25.1.5.3 ArrayBuffer.prototype.slice ( start, end ), https://tc39.es/ecma262/#sec-arraybuffer.prototype.slice
 JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::slice)
 {

Userland/Libraries/LibJS/Runtime/ArrayBufferPrototype.h

@@ -17,7 +17,7 @@ class ArrayBufferPrototype final : public PrototypeObject<ArrayBufferPrototype,
 public:
     explicit ArrayBufferPrototype(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~ArrayBufferPrototype() override;
+    virtual ~ArrayBufferPrototype() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(slice);

Userland/Libraries/LibJS/Runtime/ArrayConstructor.cpp

@@ -21,10 +21,6 @@ ArrayConstructor::ArrayConstructor(GlobalObject& global_object)
 {
 }
 
-ArrayConstructor::~ArrayConstructor()
-{
-}
-
 void ArrayConstructor::initialize(GlobalObject& global_object)
 {
     auto& vm = this->vm();

Userland/Libraries/LibJS/Runtime/ArrayConstructor.h

@@ -16,7 +16,7 @@ class ArrayConstructor final : public NativeFunction {
 public:
     explicit ArrayConstructor(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~ArrayConstructor() override;
+    virtual ~ArrayConstructor() override = default;
 
     virtual ThrowCompletionOr<Value> call() override;
     virtual ThrowCompletionOr<Object*> construct(FunctionObject& new_target) override;

Userland/Libraries/LibJS/Runtime/ArrayIterator.cpp

@@ -21,10 +21,6 @@ ArrayIterator::ArrayIterator(Value array, Object::PropertyKind iteration_kind, O
 {
 }
 
-ArrayIterator::~ArrayIterator()
-{
-}
-
 void ArrayIterator::visit_edges(Cell::Visitor& visitor)
 {
     Base::visit_edges(visitor);

Userland/Libraries/LibJS/Runtime/ArrayIterator.h

@@ -17,7 +17,7 @@ public:
     static ArrayIterator* create(GlobalObject&, Value array, Object::PropertyKind iteration_kind);
 
     explicit ArrayIterator(Value array, Object::PropertyKind iteration_kind, Object& prototype);
-    virtual ~ArrayIterator() override;
+    virtual ~ArrayIterator() override = default;
 
     Value array() const { return m_array; }
     Object::PropertyKind iteration_kind() const { return m_iteration_kind; }

Userland/Libraries/LibJS/Runtime/ArrayIteratorPrototype.cpp

@@ -30,10 +30,6 @@ void ArrayIteratorPrototype::initialize(GlobalObject& global_object)
     define_direct_property(*vm.well_known_symbol_to_string_tag(), js_string(global_object.heap(), "Array Iterator"), Attribute::Configurable);
 }
 
-ArrayIteratorPrototype::~ArrayIteratorPrototype()
-{
-}
-
 // 23.1.5.2.1 %ArrayIteratorPrototype%.next ( ), https://tc39.es/ecma262/#sec-%arrayiteratorprototype%.next
 // FIXME: This seems to be CreateArrayIterator (https://tc39.es/ecma262/#sec-createarrayiterator) instead of %ArrayIteratorPrototype%.next.
 JS_DEFINE_NATIVE_FUNCTION(ArrayIteratorPrototype::next)

Userland/Libraries/LibJS/Runtime/ArrayIteratorPrototype.h

@@ -17,7 +17,7 @@ class ArrayIteratorPrototype final : public PrototypeObject<ArrayIteratorPrototy
 public:
     ArrayIteratorPrototype(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~ArrayIteratorPrototype() override;
+    virtual ~ArrayIteratorPrototype() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(next);

Userland/Libraries/LibJS/Runtime/ArrayPrototype.cpp

@@ -105,10 +105,6 @@ void ArrayPrototype::initialize(GlobalObject& global_object)
     define_direct_property(*vm.well_known_symbol_unscopables(), unscopable_list, Attribute::Configurable);
 }
 
-ArrayPrototype::~ArrayPrototype()
-{
-}
-
 // 10.4.2.3 ArraySpeciesCreate ( originalArray, length ), https://tc39.es/ecma262/#sec-arrayspeciescreate
 static ThrowCompletionOr<Object*> array_species_create(GlobalObject& global_object, Object& original_array, size_t length)
 {

Userland/Libraries/LibJS/Runtime/ArrayPrototype.h

@@ -17,7 +17,7 @@ class ArrayPrototype final : public Array {
 public:
     ArrayPrototype(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~ArrayPrototype() override;
+    virtual ~ArrayPrototype() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(filter);

Userland/Libraries/LibJS/Runtime/AsyncFunctionDriverWrapper.cpp

@@ -60,10 +60,6 @@ ThrowCompletionOr<Value> AsyncFunctionDriverWrapper::react_to_async_task_complet
     return promise->perform_then(m_on_fulfillment, m_on_rejection, PromiseCapability { promise, m_on_fulfillment, m_on_rejection });
 }
 
-AsyncFunctionDriverWrapper::~AsyncFunctionDriverWrapper()
-{
-}
-
 void AsyncFunctionDriverWrapper::visit_edges(Cell::Visitor& visitor)
 {
     Base::visit_edges(visitor);

Userland/Libraries/LibJS/Runtime/AsyncFunctionDriverWrapper.h

@@ -21,7 +21,7 @@ public:
     static ThrowCompletionOr<Value> create(GlobalObject&, GeneratorObject*);
     explicit AsyncFunctionDriverWrapper(GlobalObject&, GeneratorObject*);
 
-    virtual ~AsyncFunctionDriverWrapper() override;
+    virtual ~AsyncFunctionDriverWrapper() override = default;
     void visit_edges(Cell::Visitor&) override;
 
     ThrowCompletionOr<Value> react_to_async_task_completion(VM&, GlobalObject&, Value, bool is_successful);

Userland/Libraries/LibJS/Runtime/BigInt.cpp

@@ -17,10 +17,6 @@ BigInt::BigInt(Crypto::SignedBigInteger big_integer)
     VERIFY(!m_big_integer.is_invalid());
 }
 
-BigInt::~BigInt()
-{
-}
-
 BigInt* js_bigint(Heap& heap, Crypto::SignedBigInteger big_integer)
 {
     return heap.allocate_without_global_object<BigInt>(move(big_integer));

Userland/Libraries/LibJS/Runtime/BigInt.h

@@ -14,7 +14,7 @@ namespace JS {
 class BigInt final : public Cell {
 public:
     explicit BigInt(Crypto::SignedBigInteger);
-    virtual ~BigInt();
+    virtual ~BigInt() override = default;
 
     const Crypto::SignedBigInteger& big_integer() const { return m_big_integer; }
     const String to_string() const { return String::formatted("{}n", m_big_integer.to_base(10)); }

Userland/Libraries/LibJS/Runtime/BigIntConstructor.cpp

@@ -37,10 +37,6 @@ void BigIntConstructor::initialize(GlobalObject& global_object)
     define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
 }
 
-BigIntConstructor::~BigIntConstructor()
-{
-}
-
 // 21.2.1.1 BigInt ( value ), https://tc39.es/ecma262/#sec-bigint-constructor-number-value
 ThrowCompletionOr<Value> BigIntConstructor::call()
 {

Userland/Libraries/LibJS/Runtime/BigIntConstructor.h

@@ -16,7 +16,7 @@ class BigIntConstructor final : public NativeFunction {
 public:
     explicit BigIntConstructor(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~BigIntConstructor() override;
+    virtual ~BigIntConstructor() override = default;
 
     virtual ThrowCompletionOr<Value> call() override;
     virtual ThrowCompletionOr<Object*> construct(FunctionObject& new_target) override;

Userland/Libraries/LibJS/Runtime/BigIntObject.cpp

@@ -20,10 +20,6 @@ BigIntObject::BigIntObject(BigInt& bigint, Object& prototype)
 {
 }
 
-BigIntObject::~BigIntObject()
-{
-}
-
 void BigIntObject::visit_edges(Cell::Visitor& visitor)
 {
     Base::visit_edges(visitor);

Userland/Libraries/LibJS/Runtime/BigIntObject.h

@@ -18,7 +18,7 @@ public:
     static BigIntObject* create(GlobalObject&, BigInt&);
 
     BigIntObject(BigInt&, Object& prototype);
-    virtual ~BigIntObject();
+    virtual ~BigIntObject() override = default;
 
     BigInt const& bigint() const { return m_bigint; }
     BigInt& bigint() { return m_bigint; }

Userland/Libraries/LibJS/Runtime/BigIntPrototype.cpp

@@ -35,10 +35,6 @@ void BigIntPrototype::initialize(GlobalObject& global_object)
     define_direct_property(*vm.well_known_symbol_to_string_tag(), js_string(global_object.heap(), vm.names.BigInt.as_string()), Attribute::Configurable);
 }
 
-BigIntPrototype::~BigIntPrototype()
-{
-}
-
 // thisBigIntValue ( value ), https://tc39.es/ecma262/#thisbigintvalue
 static ThrowCompletionOr<BigInt*> this_bigint_value(GlobalObject& global_object, Value value)
 {

Userland/Libraries/LibJS/Runtime/BigIntPrototype.h

@@ -16,7 +16,7 @@ class BigIntPrototype final : public Object {
 public:
     explicit BigIntPrototype(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~BigIntPrototype() override;
+    virtual ~BigIntPrototype() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(to_string);

Userland/Libraries/LibJS/Runtime/BooleanConstructor.cpp

@@ -27,10 +27,6 @@ void BooleanConstructor::initialize(GlobalObject& global_object)
     define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
 }
 
-BooleanConstructor::~BooleanConstructor()
-{
-}
-
 // 20.3.1.1 Boolean ( value ), https://tc39.es/ecma262/#sec-boolean-constructor-boolean-value
 ThrowCompletionOr<Value> BooleanConstructor::call()
 {

Userland/Libraries/LibJS/Runtime/BooleanConstructor.h

@@ -16,7 +16,7 @@ class BooleanConstructor final : public NativeFunction {
 public:
     explicit BooleanConstructor(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~BooleanConstructor() override;
+    virtual ~BooleanConstructor() override = default;
 
     virtual ThrowCompletionOr<Value> call() override;
     virtual ThrowCompletionOr<Object*> construct(FunctionObject& new_target) override;

Userland/Libraries/LibJS/Runtime/BooleanObject.cpp

@@ -19,9 +19,4 @@ BooleanObject::BooleanObject(bool value, Object& prototype)
     , m_value(value)
 {
 }
-
-BooleanObject::~BooleanObject()
-{
-}
-
 }

Userland/Libraries/LibJS/Runtime/BooleanObject.h

@@ -16,7 +16,7 @@ public:
     static BooleanObject* create(GlobalObject&, bool);
 
     BooleanObject(bool, Object& prototype);
-    virtual ~BooleanObject() override;
+    virtual ~BooleanObject() override = default;
 
     bool boolean() const { return m_value; }
 

Userland/Libraries/LibJS/Runtime/BooleanPrototype.cpp

@@ -26,10 +26,6 @@ void BooleanPrototype::initialize(GlobalObject& global_object)
     define_native_function(vm.names.valueOf, value_of, 0, attr);
 }
 
-BooleanPrototype::~BooleanPrototype()
-{
-}
-
 // 20.3.3.2 Boolean.prototype.toString ( ), https://tc39.es/ecma262/#sec-boolean.prototype.tostring
 JS_DEFINE_NATIVE_FUNCTION(BooleanPrototype::to_string)
 {

Userland/Libraries/LibJS/Runtime/BooleanPrototype.h

@@ -16,7 +16,7 @@ class BooleanPrototype final : public BooleanObject {
 public:
     explicit BooleanPrototype(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~BooleanPrototype() override;
+    virtual ~BooleanPrototype() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(to_string);

Userland/Libraries/LibJS/Runtime/BoundFunction.cpp

@@ -42,10 +42,6 @@ BoundFunction::BoundFunction(GlobalObject& global_object, FunctionObject& bound_
 {
 }
 
-BoundFunction::~BoundFunction()
-{
-}
-
 // 10.4.1.1 [[Call]] ( thisArgument, argumentsList ), https://tc39.es/ecma262/#sec-bound-function-exotic-objects-call-thisargument-argumentslist
 ThrowCompletionOr<Value> BoundFunction::internal_call([[maybe_unused]] Value this_argument, MarkedVector<Value> arguments_list)
 {

Userland/Libraries/LibJS/Runtime/BoundFunction.h

@@ -18,7 +18,7 @@ public:
     static ThrowCompletionOr<BoundFunction*> create(GlobalObject&, FunctionObject& target_function, Value bound_this, Vector<Value> bound_arguments);
 
     BoundFunction(GlobalObject&, FunctionObject& target_function, Value bound_this, Vector<Value> bound_arguments, Object* prototype);
-    virtual ~BoundFunction();
+    virtual ~BoundFunction() override = default;
 
     virtual ThrowCompletionOr<Value> internal_call(Value this_argument, MarkedVector<Value> arguments_list) override;
     virtual ThrowCompletionOr<Object*> internal_construct(MarkedVector<Value> arguments_list, FunctionObject& new_target) override;

Userland/Libraries/LibJS/Runtime/ConsoleObject.cpp

@@ -40,10 +40,6 @@ void ConsoleObject::initialize(GlobalObject& global_object)
     define_native_function(vm.names.timeEnd, time_end, 0, attr);
 }
 
-ConsoleObject::~ConsoleObject()
-{
-}
-
 // 1.1.6. log(...data), https://console.spec.whatwg.org/#log
 JS_DEFINE_NATIVE_FUNCTION(ConsoleObject::log)
 {

Userland/Libraries/LibJS/Runtime/ConsoleObject.h

@@ -16,7 +16,7 @@ class ConsoleObject final : public Object {
 public:
     explicit ConsoleObject(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~ConsoleObject() override;
+    virtual ~ConsoleObject() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(log);

Userland/Libraries/LibJS/Runtime/DataView.cpp

@@ -21,10 +21,6 @@ DataView::DataView(ArrayBuffer* viewed_buffer, size_t byte_length, size_t byte_o
 {
 }
 
-DataView::~DataView()
-{
-}
-
 void DataView::visit_edges(Visitor& visitor)
 {
     Base::visit_edges(visitor);

Userland/Libraries/LibJS/Runtime/DataView.h

@@ -19,7 +19,7 @@ public:
     static DataView* create(GlobalObject&, ArrayBuffer*, size_t byte_length, size_t byte_offset);
 
     explicit DataView(ArrayBuffer*, size_t byte_length, size_t byte_offset, Object& prototype);
-    virtual ~DataView() override;
+    virtual ~DataView() override = default;
 
     ArrayBuffer* viewed_array_buffer() const { return m_viewed_array_buffer; }
     size_t byte_length() const { return m_byte_length; }

Userland/Libraries/LibJS/Runtime/DataViewConstructor.cpp

@@ -28,10 +28,6 @@ void DataViewConstructor::initialize(GlobalObject& global_object)
     define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
 }
 
-DataViewConstructor::~DataViewConstructor()
-{
-}
-
 // 25.3.2.1 DataView ( buffer [ , byteOffset [ , byteLength ] ] ), https://tc39.es/ecma262/#sec-dataview-buffer-byteoffset-bytelength
 ThrowCompletionOr<Value> DataViewConstructor::call()
 {

Userland/Libraries/LibJS/Runtime/DataViewConstructor.h

@@ -16,7 +16,7 @@ class DataViewConstructor final : public NativeFunction {
 public:
     explicit DataViewConstructor(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~DataViewConstructor() override;
+    virtual ~DataViewConstructor() override = default;
 
     virtual ThrowCompletionOr<Value> call() override;
     virtual ThrowCompletionOr<Object*> construct(FunctionObject&) override;

Userland/Libraries/LibJS/Runtime/DataViewPrototype.cpp

@@ -50,10 +50,6 @@ void DataViewPrototype::initialize(GlobalObject& global_object)
     define_direct_property(*vm.well_known_symbol_to_string_tag(), js_string(global_object.heap(), vm.names.DataView.as_string()), Attribute::Configurable);
 }
 
-DataViewPrototype::~DataViewPrototype()
-{
-}
-
 // 25.3.1.1 GetViewValue ( view, requestIndex, isLittleEndian, type ), https://tc39.es/ecma262/#sec-getviewvalue
 template<typename T>
 static ThrowCompletionOr<Value> get_view_value(GlobalObject& global_object, Value request_index, Value is_little_endian)

Userland/Libraries/LibJS/Runtime/DataViewPrototype.h

@@ -17,7 +17,7 @@ class DataViewPrototype final : public PrototypeObject<DataViewPrototype, DataVi
 public:
     DataViewPrototype(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~DataViewPrototype() override;
+    virtual ~DataViewPrototype() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(get_big_int_64);

Userland/Libraries/LibJS/Runtime/Date.cpp

@@ -28,10 +28,6 @@ Date::Date(double date_value, Object& prototype)
 {
 }
 
-Date::~Date()
-{
-}
-
 String Date::iso_date_string() const
 {
     int year = year_from_time(m_date_value);

Userland/Libraries/LibJS/Runtime/Date.h

@@ -19,7 +19,7 @@ public:
     static Date* now(GlobalObject&);
 
     Date(double date_value, Object& prototype);
-    virtual ~Date() override;
+    virtual ~Date() override = default;
 
     double date_value() const { return m_date_value; }
     void set_date_value(double value) { m_date_value = value; }

Userland/Libraries/LibJS/Runtime/DateConstructor.cpp

@@ -180,10 +180,6 @@ void DateConstructor::initialize(GlobalObject& global_object)
     define_direct_property(vm.names.length, Value(7), Attribute::Configurable);
 }
 
-DateConstructor::~DateConstructor()
-{
-}
-
 // 21.4.2.1 Date ( ...values ), https://tc39.es/ecma262/#sec-date
 ThrowCompletionOr<Value> DateConstructor::call()
 {

Userland/Libraries/LibJS/Runtime/DateConstructor.h

@@ -16,7 +16,7 @@ class DateConstructor final : public NativeFunction {
 public:
     explicit DateConstructor(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~DateConstructor() override;
+    virtual ~DateConstructor() override = default;
 
     virtual ThrowCompletionOr<Value> call() override;
     virtual ThrowCompletionOr<Object*> construct(FunctionObject& new_target) override;

Userland/Libraries/LibJS/Runtime/DatePrototype.cpp

@@ -104,10 +104,6 @@ void DatePrototype::initialize(GlobalObject& global_object)
     define_direct_property(vm.names.toGMTString, get_without_side_effects(vm.names.toUTCString), attr);
 }
 
-DatePrototype::~DatePrototype()
-{
-}
-
 // thisTimeValue ( value ), https://tc39.es/ecma262/#thistimevalue
 ThrowCompletionOr<Value> this_time_value(GlobalObject& global_object, Value value)
 {

Userland/Libraries/LibJS/Runtime/DatePrototype.h

@@ -17,7 +17,7 @@ class DatePrototype final : public PrototypeObject<DatePrototype, Date> {
 public:
     explicit DatePrototype(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~DatePrototype() override;
+    virtual ~DatePrototype() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(get_date);

Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.cpp

@@ -37,10 +37,6 @@ DeclarativeEnvironment::DeclarativeEnvironment(Environment* parent_scope, Span<B
 {
 }
 
-DeclarativeEnvironment::~DeclarativeEnvironment()
-{
-}
-
 void DeclarativeEnvironment::visit_edges(Visitor& visitor)
 {
     Base::visit_edges(visitor);

Userland/Libraries/LibJS/Runtime/DeclarativeEnvironment.h

@@ -32,7 +32,7 @@ public:
     DeclarativeEnvironment();
     explicit DeclarativeEnvironment(Environment* parent_scope);
     explicit DeclarativeEnvironment(Environment* parent_scope, Span<Binding const> bindings);
-    virtual ~DeclarativeEnvironment() override;
+    virtual ~DeclarativeEnvironment() override = default;
 
     virtual ThrowCompletionOr<bool> has_binding(FlyString const& name, Optional<size_t>* = nullptr) const override;
     virtual ThrowCompletionOr<void> create_mutable_binding(GlobalObject&, FlyString const& name, bool can_be_deleted) override;

Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.cpp

@@ -134,10 +134,6 @@ void ECMAScriptFunctionObject::initialize(GlobalObject& global_object)
     }
 }
 
-ECMAScriptFunctionObject::~ECMAScriptFunctionObject()
-{
-}
-
 // 10.2.1 [[Call]] ( thisArgument, argumentsList ), https://tc39.es/ecma262/#sec-ecmascript-function-objects-call-thisargument-argumentslist
 ThrowCompletionOr<Value> ECMAScriptFunctionObject::internal_call(Value this_argument, MarkedVector<Value> arguments_list)
 {

Userland/Libraries/LibJS/Runtime/ECMAScriptFunctionObject.h

@@ -37,7 +37,7 @@ public:
 
     ECMAScriptFunctionObject(FlyString name, String source_text, Statement const& ecmascript_code, Vector<FunctionNode::Parameter> parameters, i32 m_function_length, Environment* parent_scope, PrivateEnvironment* private_scope, Object& prototype, FunctionKind, bool is_strict, bool might_need_arguments_object, bool contains_direct_call_to_eval, bool is_arrow_function);
     virtual void initialize(GlobalObject&) override;
-    virtual ~ECMAScriptFunctionObject();
+    virtual ~ECMAScriptFunctionObject() override = default;
 
     virtual ThrowCompletionOr<Value> internal_call(Value this_argument, MarkedVector<Value> arguments_list) override;
     virtual ThrowCompletionOr<Object*> internal_construct(MarkedVector<Value> arguments_list, FunctionObject& new_target) override;

Userland/Libraries/LibJS/Runtime/FinalizationRegistry.cpp

@@ -17,10 +17,6 @@ FinalizationRegistry::FinalizationRegistry(Realm& realm, JS::JobCallback cleanup
 {
 }
 
-FinalizationRegistry::~FinalizationRegistry()
-{
-}
-
 void FinalizationRegistry::add_finalization_record(Cell& target, Value held_value, Object* unregister_token)
 {
     VERIFY(!held_value.is_empty());

Userland/Libraries/LibJS/Runtime/FinalizationRegistry.h

@@ -23,7 +23,7 @@ class FinalizationRegistry final
 
 public:
     explicit FinalizationRegistry(Realm&, JS::JobCallback, Object& prototype);
-    virtual ~FinalizationRegistry() override;
+    virtual ~FinalizationRegistry() override = default;
 
     void add_finalization_record(Cell& target, Value held_value, Object* unregister_token);
     bool remove_by_token(Object& unregister_token);

Userland/Libraries/LibJS/Runtime/FinalizationRegistryConstructor.cpp

@@ -29,10 +29,6 @@ void FinalizationRegistryConstructor::initialize(GlobalObject& global_object)
     define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
 }
 
-FinalizationRegistryConstructor::~FinalizationRegistryConstructor()
-{
-}
-
 // 26.2.1.1 FinalizationRegistry ( cleanupCallback ), https://tc39.es/ecma262/#sec-finalization-registry-cleanup-callback
 ThrowCompletionOr<Value> FinalizationRegistryConstructor::call()
 {

Userland/Libraries/LibJS/Runtime/FinalizationRegistryConstructor.h

@@ -16,7 +16,7 @@ class FinalizationRegistryConstructor final : public NativeFunction {
 public:
     explicit FinalizationRegistryConstructor(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~FinalizationRegistryConstructor() override;
+    virtual ~FinalizationRegistryConstructor() override = default;
 
     virtual ThrowCompletionOr<Value> call() override;
     virtual ThrowCompletionOr<Object*> construct(FunctionObject&) override;

Userland/Libraries/LibJS/Runtime/FinalizationRegistryPrototype.cpp

@@ -28,10 +28,6 @@ void FinalizationRegistryPrototype::initialize(GlobalObject& global_object)
     define_direct_property(*vm.well_known_symbol_to_string_tag(), js_string(global_object.heap(), vm.names.FinalizationRegistry.as_string()), Attribute::Configurable);
 }
 
-FinalizationRegistryPrototype::~FinalizationRegistryPrototype()
-{
-}
-
 // @STAGE 2@ FinalizationRegistry.prototype.cleanupSome ( [ callback ] ), https://github.com/tc39/proposal-cleanup-some/blob/master/spec/finalization-registry.html
 JS_DEFINE_NATIVE_FUNCTION(FinalizationRegistryPrototype::cleanup_some)
 {

Userland/Libraries/LibJS/Runtime/FinalizationRegistryPrototype.h

@@ -17,7 +17,7 @@ class FinalizationRegistryPrototype final : public PrototypeObject<FinalizationR
 public:
     FinalizationRegistryPrototype(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~FinalizationRegistryPrototype() override;
+    virtual ~FinalizationRegistryPrototype() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(cleanup_some);

Userland/Libraries/LibJS/Runtime/FunctionConstructor.cpp

@@ -35,10 +35,6 @@ void FunctionConstructor::initialize(GlobalObject& global_object)
     define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
 }
 
-FunctionConstructor::~FunctionConstructor()
-{
-}
-
 // 20.2.1.1.1 CreateDynamicFunction ( constructor, newTarget, kind, args ), https://tc39.es/ecma262/#sec-createdynamicfunction
 ThrowCompletionOr<ECMAScriptFunctionObject*> FunctionConstructor::create_dynamic_function(GlobalObject& global_object, FunctionObject& constructor, FunctionObject* new_target, FunctionKind kind, MarkedVector<Value> const& args)
 {

Userland/Libraries/LibJS/Runtime/FunctionConstructor.h

@@ -19,7 +19,7 @@ public:
 
     explicit FunctionConstructor(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~FunctionConstructor() override;
+    virtual ~FunctionConstructor() override = default;
 
     virtual ThrowCompletionOr<Value> call() override;
     virtual ThrowCompletionOr<Object*> construct(FunctionObject& new_target) override;

Userland/Libraries/LibJS/Runtime/FunctionEnvironment.cpp

@@ -16,10 +16,6 @@ FunctionEnvironment::FunctionEnvironment(Environment* parent_scope)
 {
 }
 
-FunctionEnvironment::~FunctionEnvironment()
-{
-}
-
 void FunctionEnvironment::visit_edges(Visitor& visitor)
 {
     Base::visit_edges(visitor);

Userland/Libraries/LibJS/Runtime/FunctionEnvironment.h

@@ -23,7 +23,7 @@ public:
     };
 
     explicit FunctionEnvironment(Environment* parent_scope);
-    virtual ~FunctionEnvironment() override;
+    virtual ~FunctionEnvironment() override = default;
 
     ThisBindingStatus this_binding_status() const { return m_this_binding_status; }
     void set_this_binding_status(ThisBindingStatus status) { m_this_binding_status = status; }

Userland/Libraries/LibJS/Runtime/FunctionObject.cpp

@@ -21,10 +21,6 @@ FunctionObject::FunctionObject(Object& prototype)
 {
 }
 
-FunctionObject::~FunctionObject()
-{
-}
-
 // 10.2.9 SetFunctionName ( F, name [ , prefix ] ), https://tc39.es/ecma262/#sec-setfunctionname
 void FunctionObject::set_function_name(Variant<PropertyKey, PrivateName> const& name_arg, Optional<StringView> const& prefix)
 {

Userland/Libraries/LibJS/Runtime/FunctionObject.h

@@ -19,7 +19,7 @@ class FunctionObject : public Object {
     JS_OBJECT(Function, Object);
 
 public:
-    virtual ~FunctionObject();
+    virtual ~FunctionObject() = default;
     virtual void initialize(GlobalObject&) override { }
 
     // Table 7: Additional Essential Internal Methods of Function Objects, https://tc39.es/ecma262/#table-additional-essential-internal-methods-of-function-objects

Userland/Libraries/LibJS/Runtime/FunctionPrototype.cpp

@@ -39,10 +39,6 @@ void FunctionPrototype::initialize(GlobalObject& global_object)
     define_direct_property(vm.names.name, js_string(heap(), ""), Attribute::Configurable);
 }
 
-FunctionPrototype::~FunctionPrototype()
-{
-}
-
 // 20.2.3.1 Function.prototype.apply ( thisArg, argArray ), https://tc39.es/ecma262/#sec-function.prototype.apply
 JS_DEFINE_NATIVE_FUNCTION(FunctionPrototype::apply)
 {

Userland/Libraries/LibJS/Runtime/FunctionPrototype.h

@@ -16,7 +16,7 @@ class FunctionPrototype final : public Object {
 public:
     explicit FunctionPrototype(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~FunctionPrototype() override;
+    virtual ~FunctionPrototype() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(apply);

Userland/Libraries/LibJS/Runtime/GeneratorFunctionConstructor.cpp

@@ -27,10 +27,6 @@ void GeneratorFunctionConstructor::initialize(GlobalObject& global_object)
     define_direct_property(vm.names.prototype, global_object.generator_function_prototype(), 0);
 }
 
-GeneratorFunctionConstructor::~GeneratorFunctionConstructor()
-{
-}
-
 // 27.3.1.1 GeneratorFunction ( p1, p2, … , pn, body ), https://tc39.es/ecma262/#sec-generatorfunction
 ThrowCompletionOr<Value> GeneratorFunctionConstructor::call()
 {

Userland/Libraries/LibJS/Runtime/GeneratorFunctionConstructor.h

@@ -17,7 +17,7 @@ class GeneratorFunctionConstructor final : public NativeFunction {
 public:
     explicit GeneratorFunctionConstructor(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~GeneratorFunctionConstructor() override;
+    virtual ~GeneratorFunctionConstructor() override = default;
 
     virtual ThrowCompletionOr<Value> call() override;
     virtual ThrowCompletionOr<Object*> construct(FunctionObject& new_target) override;

Userland/Libraries/LibJS/Runtime/GeneratorFunctionPrototype.cpp

@@ -25,9 +25,4 @@ void GeneratorFunctionPrototype::initialize(GlobalObject& global_object)
     // 27.3.3.3 GeneratorFunction.prototype [ @@toStringTag ], https://tc39.es/ecma262/#sec-generatorfunction.prototype-@@tostringtag
     define_direct_property(*vm.well_known_symbol_to_string_tag(), js_string(vm, "GeneratorFunction"), Attribute::Configurable);
 }
-
-GeneratorFunctionPrototype::~GeneratorFunctionPrototype()
-{
-}
-
 }

Userland/Libraries/LibJS/Runtime/GeneratorFunctionPrototype.h

@@ -18,7 +18,7 @@ class GeneratorFunctionPrototype final : public Object {
 public:
     explicit GeneratorFunctionPrototype(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~GeneratorFunctionPrototype() override;
+    virtual ~GeneratorFunctionPrototype() override = default;
 };
 
 }

Userland/Libraries/LibJS/Runtime/GeneratorObject.cpp

@@ -43,10 +43,6 @@ void GeneratorObject::initialize(GlobalObject&)
 {
 }
 
-GeneratorObject::~GeneratorObject()
-{
-}
-
 void GeneratorObject::visit_edges(Cell::Visitor& visitor)
 {
     Base::visit_edges(visitor);

Userland/Libraries/LibJS/Runtime/GeneratorObject.h

@@ -19,7 +19,7 @@ public:
     static ThrowCompletionOr<GeneratorObject*> create(GlobalObject&, Value, ECMAScriptFunctionObject*, ExecutionContext, Bytecode::RegisterWindow);
     GeneratorObject(GlobalObject&, Object& prototype, ExecutionContext);
     virtual void initialize(GlobalObject&) override;
-    virtual ~GeneratorObject() override;
+    virtual ~GeneratorObject() override = default;
     void visit_edges(Cell::Visitor&) override;
 
     ThrowCompletionOr<Value> next_impl(VM&, GlobalObject&, Optional<Value> next_argument, Optional<Value> value_to_throw);

Userland/Libraries/LibJS/Runtime/GeneratorPrototype.cpp

@@ -27,10 +27,6 @@ void GeneratorPrototype::initialize(GlobalObject& global_object)
     define_direct_property(*vm.well_known_symbol_to_string_tag(), js_string(vm, "Generator"), Attribute::Configurable);
 }
 
-GeneratorPrototype::~GeneratorPrototype()
-{
-}
-
 // 27.5.1.2 Generator.prototype.next ( value ), https://tc39.es/ecma262/#sec-generator.prototype.next
 JS_DEFINE_NATIVE_FUNCTION(GeneratorPrototype::next)
 {

Userland/Libraries/LibJS/Runtime/GeneratorPrototype.h

@@ -18,7 +18,7 @@ class GeneratorPrototype final : public PrototypeObject<GeneratorPrototype, Gene
 public:
     explicit GeneratorPrototype(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~GeneratorPrototype() override;
+    virtual ~GeneratorPrototype() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(next);

Userland/Libraries/LibJS/Runtime/GlobalObject.cpp

@@ -304,9 +304,7 @@ void GlobalObject::initialize_global_object()
     m_json_parse_function = &get_without_side_effects(vm.names.JSON).as_object().get_without_side_effects(vm.names.parse).as_function();
 }
 
-GlobalObject::~GlobalObject()
+GlobalObject::~GlobalObject() = default;
-{
-}
 
 void GlobalObject::visit_edges(Visitor& visitor)
 {

Userland/Libraries/LibJS/Runtime/IndexedProperties.cpp

@@ -82,10 +82,6 @@ bool SimpleIndexedPropertyStorage::set_array_like_size(size_t new_size)
     return true;
 }
 
-GenericIndexedPropertyStorage::GenericIndexedPropertyStorage()
-{
-}
-
 GenericIndexedPropertyStorage::GenericIndexedPropertyStorage(SimpleIndexedPropertyStorage&& storage)
 {
     m_array_size = storage.array_like_size();

Userland/Libraries/LibJS/Runtime/IndexedProperties.h

@@ -23,7 +23,7 @@ class GenericIndexedPropertyStorage;
 
 class IndexedPropertyStorage {
 public:
-    virtual ~IndexedPropertyStorage() {};
+    virtual ~IndexedPropertyStorage() = default;
 
     virtual bool has_index(u32 index) const = 0;
     virtual Optional<ValueAndAttributes> get(u32 index) const = 0;
@@ -72,7 +72,7 @@ private:
 class GenericIndexedPropertyStorage final : public IndexedPropertyStorage {
 public:
     explicit GenericIndexedPropertyStorage(SimpleIndexedPropertyStorage&&);
-    explicit GenericIndexedPropertyStorage();
+    explicit GenericIndexedPropertyStorage() = default;
 
     virtual bool has_index(u32 index) const override;
     virtual Optional<ValueAndAttributes> get(u32 index) const override;

Userland/Libraries/LibJS/Runtime/IteratorPrototype.cpp

@@ -24,10 +24,6 @@ void IteratorPrototype::initialize(GlobalObject& global_object)
     define_native_function(*vm.well_known_symbol_iterator(), symbol_iterator, 0, attr);
 }
 
-IteratorPrototype::~IteratorPrototype()
-{
-}
-
 // 27.1.2.1 %IteratorPrototype% [ @@iterator ] ( ), https://tc39.es/ecma262/#sec-%iteratorprototype%-@@iterator
 JS_DEFINE_NATIVE_FUNCTION(IteratorPrototype::symbol_iterator)
 {

Userland/Libraries/LibJS/Runtime/IteratorPrototype.h

@@ -16,7 +16,7 @@ class IteratorPrototype : public Object {
 public:
     IteratorPrototype(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~IteratorPrototype() override;
+    virtual ~IteratorPrototype() override = default;
 
 private:
     JS_DECLARE_NATIVE_FUNCTION(symbol_iterator);

Userland/Libraries/LibJS/Runtime/JSONObject.cpp

@@ -42,10 +42,6 @@ void JSONObject::initialize(GlobalObject& global_object)
     define_direct_property(*vm.well_known_symbol_to_string_tag(), js_string(global_object.heap(), "JSON"), Attribute::Configurable);
 }
 
-JSONObject::~JSONObject()
-{
-}
-
 // 25.5.2 JSON.stringify ( value [ , replacer [ , space ] ] ), https://tc39.es/ecma262/#sec-json.stringify
 ThrowCompletionOr<String> JSONObject::stringify_impl(GlobalObject& global_object, Value value, Value replacer, Value space)
 {

Userland/Libraries/LibJS/Runtime/JSONObject.h

@@ -16,7 +16,7 @@ class JSONObject final : public Object {
 public:
     explicit JSONObject(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~JSONObject() override;
+    virtual ~JSONObject() override = default;
 
     // The base implementation of stringify is exposed because it is used by
     // test-js to communicate between the JS tests and the C++ test runner.

Userland/Libraries/LibJS/Runtime/Map.cpp

@@ -18,10 +18,6 @@ Map::Map(Object& prototype)
 {
 }
 
-Map::~Map()
-{
-}
-
 // 24.1.3.1 Map.prototype.clear ( ), https://tc39.es/ecma262/#sec-map.prototype.clear
 void Map::map_clear()
 {

Userland/Libraries/LibJS/Runtime/Map.h

@@ -23,7 +23,7 @@ public:
     static Map* create(GlobalObject&);
 
     explicit Map(Object& prototype);
-    virtual ~Map() override;
+    virtual ~Map() override = default;
 
     void map_clear();
     bool map_remove(Value const&);

Userland/Libraries/LibJS/Runtime/MapConstructor.cpp

@@ -31,10 +31,6 @@ void MapConstructor::initialize(GlobalObject& global_object)
     define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
 }
 
-MapConstructor::~MapConstructor()
-{
-}
-
 // 24.1.1.1 Map ( [ iterable ] ), https://tc39.es/ecma262/#sec-map-iterable
 ThrowCompletionOr<Value> MapConstructor::call()
 {

Userland/Libraries/LibJS/Runtime/MapConstructor.h

@@ -16,7 +16,7 @@ class MapConstructor final : public NativeFunction {
 public:
     explicit MapConstructor(GlobalObject&);
     virtual void initialize(GlobalObject&) override;
-    virtual ~MapConstructor() override;
+    virtual ~MapConstructor() override = default;
 
     virtual ThrowCompletionOr<Value> call() override;
     virtual ThrowCompletionOr<Object*> construct(FunctionObject&) override;

Userland/Libraries/LibJS/Runtime/MapIterator.cpp

@@ -22,10 +22,6 @@ MapIterator::MapIterator(Map& map, Object::PropertyKind iteration_kind, Object&
 {
 }
 
-MapIterator::~MapIterator()
-{
-}
-
 void MapIterator::visit_edges(Cell::Visitor& visitor)
 {
     Base::visit_edges(visitor);

Userland/Libraries/LibJS/Runtime/MapIterator.h

@@ -19,7 +19,7 @@ public:
     static MapIterator* create(GlobalObject&, Map& map, Object::PropertyKind iteration_kind);
 
     explicit MapIterator(Map& map, Object::PropertyKind iteration_kind, Object& prototype);
-    virtual ~MapIterator() override;
+    virtual ~MapIterator() override = default;
 
     Map& map() const { return m_map; }
     bool done() const { return m_done; }