LibJS: Update spec steps/links for the ArrayBuffer transfer proposal

The proposal reached stage 4 and was merged into the ECMA-262 spec. See:
44bb0e0

Userland/Libraries/LibJS/Runtime/ArrayBuffer.cpp

@@ -181,71 +181,7 @@ ThrowCompletionOr<ArrayBuffer*> allocate_array_buffer(VM& vm, FunctionObject& co
     return obj.ptr();
 }
 
-// 25.1.3.4 DetachArrayBuffer ( arrayBuffer [ , key ] ), https://tc39.es/ecma262/#sec-detacharraybuffer
+// 25.1.3.3 ArrayBufferCopyAndDetach ( arrayBuffer, newLength, preserveResizability ), https://tc39.es/ecma262/#sec-arraybuffercopyanddetach
-ThrowCompletionOr<void> detach_array_buffer(VM& vm, ArrayBuffer& array_buffer, Optional<Value> key)
-{
-    // 1. Assert: IsSharedArrayBuffer(arrayBuffer) is false.
-    VERIFY(!array_buffer.is_shared_array_buffer());
-
-    // 2. If key is not present, set key to undefined.
-    if (!key.has_value())
-        key = js_undefined();
-
-    // 3. If SameValue(arrayBuffer.[[ArrayBufferDetachKey]], key) is false, throw a TypeError exception.
-    if (!same_value(array_buffer.detach_key(), *key))
-        return vm.throw_completion<TypeError>(ErrorType::DetachKeyMismatch, *key, array_buffer.detach_key());
-
-    // 4. Set arrayBuffer.[[ArrayBufferData]] to null.
-    // 5. Set arrayBuffer.[[ArrayBufferByteLength]] to 0.
-    array_buffer.detach_buffer();
-
-    // 6. Return unused.
-    return {};
-}
-
-// 25.1.3.5 CloneArrayBuffer ( srcBuffer, srcByteOffset, srcLength, cloneConstructor ), https://tc39.es/ecma262/#sec-clonearraybuffer
-ThrowCompletionOr<ArrayBuffer*> clone_array_buffer(VM& vm, ArrayBuffer& source_buffer, size_t source_byte_offset, size_t source_length)
-{
-    auto& realm = *vm.current_realm();
-
-    // 1. Assert: IsDetachedBuffer(srcBuffer) is false.
-    VERIFY(!source_buffer.is_detached());
-
-    // 2. Let targetBuffer be ? AllocateArrayBuffer(%ArrayBuffer%, srcLength).
-    auto* target_buffer = TRY(allocate_array_buffer(vm, realm.intrinsics().array_buffer_constructor(), source_length));
-
-    // 3. Let srcBlock be srcBuffer.[[ArrayBufferData]].
-    auto& source_block = source_buffer.buffer();
-
-    // 4. Let targetBlock be targetBuffer.[[ArrayBufferData]].
-    auto& target_block = target_buffer->buffer();
-
-    // 5. Perform CopyDataBlockBytes(targetBlock, 0, srcBlock, srcByteOffset, srcLength).
-    copy_data_block_bytes(target_block, 0, source_block, source_byte_offset, source_length);
-
-    // 6. Return targetBuffer.
-    return target_buffer;
-}
-
-// 25.1.3.6 GetArrayBufferMaxByteLengthOption ( options ), https://tc39.es/ecma262/#sec-getarraybuffermaxbytelengthoption
-ThrowCompletionOr<Optional<size_t>> get_array_buffer_max_byte_length_option(VM& vm, Value options)
-{
-    // 1. If options is not an Object, return empty.
-    if (!options.is_object())
-        return OptionalNone {};
-
-    // 2. Let maxByteLength be ? Get(options, "maxByteLength").
-    auto max_byte_length = TRY(options.as_object().get(vm.names.maxByteLength));
-
-    // 3. If maxByteLength is undefined, return empty.
-    if (max_byte_length.is_undefined())
-        return OptionalNone {};
-
-    // 4. Return ? ToIndex(maxByteLength).
-    return TRY(max_byte_length.to_index(vm));
-}
-
-// 25.1.2.14 ArrayBufferCopyAndDetach ( arrayBuffer, newLength, preserveResizability ), https://tc39.es/proposal-arraybuffer-transfer/#sec-arraybuffer.prototype.transfertofixedlength
 ThrowCompletionOr<ArrayBuffer*> array_buffer_copy_and_detach(VM& vm, ArrayBuffer& array_buffer, Value new_length, PreserveResizability preserve_resizability)
 {
     auto& realm = *vm.current_realm();
@@ -257,9 +193,9 @@ ThrowCompletionOr<ArrayBuffer*> array_buffer_copy_and_detach(VM& vm, ArrayBuffer
         return vm.throw_completion<TypeError>(ErrorType::SharedArrayBuffer);
 
     // 3. If newLength is undefined, then
-    // a. Let newByteLength be arrayBuffer.[[ArrayBufferByteLength]].
+    //     a. Let newByteLength be arrayBuffer.[[ArrayBufferByteLength]].
     // 4. Else,
-    // a. Let newByteLength be ? ToIndex(newLength).
+    //     a. Let newByteLength be ? ToIndex(newLength).
     auto new_byte_length = new_length.is_undefined() ? array_buffer.byte_length() : TRY(new_length.to_index(vm));
 
     // 5. If IsDetachedBuffer(arrayBuffer) is true, throw a TypeError exception.
@@ -268,15 +204,14 @@ ThrowCompletionOr<ArrayBuffer*> array_buffer_copy_and_detach(VM& vm, ArrayBuffer
 
     Optional<size_t> new_max_byte_length;
 
-    // 6. If preserveResizability is preserve-resizability and IsResizableArrayBuffer(arrayBuffer) is true, then
+    // 6. If preserveResizability is PRESERVE-RESIZABILITY and IsFixedLengthArrayBuffer(arrayBuffer) is false, then
-    // FIXME: The ArrayBuffer transfer spec is a bit out-of-date. IsResizableArrayBuffer no longer exists, we now have IsFixedLengthArrayBuffer.
     if (preserve_resizability == PreserveResizability::PreserveResizability && !array_buffer.is_fixed_length()) {
         // a. Let newMaxByteLength be arrayBuffer.[[ArrayBufferMaxByteLength]].
         new_max_byte_length = array_buffer.max_byte_length();
     }
     // 7. Else,
     else {
-        // a. Let newMaxByteLength be empty.
+        // a. Let newMaxByteLength be EMPTY.
     }
 
     // 8. If arrayBuffer.[[ArrayBufferDetachKey]] is not undefined, throw a TypeError exception.
@@ -302,6 +237,70 @@ ThrowCompletionOr<ArrayBuffer*> array_buffer_copy_and_detach(VM& vm, ArrayBuffer
     return new_buffer;
 }
 
+// 25.1.3.5 DetachArrayBuffer ( arrayBuffer [ , key ] ), https://tc39.es/ecma262/#sec-detacharraybuffer
+ThrowCompletionOr<void> detach_array_buffer(VM& vm, ArrayBuffer& array_buffer, Optional<Value> key)
+{
+    // 1. Assert: IsSharedArrayBuffer(arrayBuffer) is false.
+    VERIFY(!array_buffer.is_shared_array_buffer());
+
+    // 2. If key is not present, set key to undefined.
+    if (!key.has_value())
+        key = js_undefined();
+
+    // 3. If SameValue(arrayBuffer.[[ArrayBufferDetachKey]], key) is false, throw a TypeError exception.
+    if (!same_value(array_buffer.detach_key(), *key))
+        return vm.throw_completion<TypeError>(ErrorType::DetachKeyMismatch, *key, array_buffer.detach_key());
+
+    // 4. Set arrayBuffer.[[ArrayBufferData]] to null.
+    // 5. Set arrayBuffer.[[ArrayBufferByteLength]] to 0.
+    array_buffer.detach_buffer();
+
+    // 6. Return unused.
+    return {};
+}
+
+// 25.1.3.6 CloneArrayBuffer ( srcBuffer, srcByteOffset, srcLength, cloneConstructor ), https://tc39.es/ecma262/#sec-clonearraybuffer
+ThrowCompletionOr<ArrayBuffer*> clone_array_buffer(VM& vm, ArrayBuffer& source_buffer, size_t source_byte_offset, size_t source_length)
+{
+    auto& realm = *vm.current_realm();
+
+    // 1. Assert: IsDetachedBuffer(srcBuffer) is false.
+    VERIFY(!source_buffer.is_detached());
+
+    // 2. Let targetBuffer be ? AllocateArrayBuffer(%ArrayBuffer%, srcLength).
+    auto* target_buffer = TRY(allocate_array_buffer(vm, realm.intrinsics().array_buffer_constructor(), source_length));
+
+    // 3. Let srcBlock be srcBuffer.[[ArrayBufferData]].
+    auto& source_block = source_buffer.buffer();
+
+    // 4. Let targetBlock be targetBuffer.[[ArrayBufferData]].
+    auto& target_block = target_buffer->buffer();
+
+    // 5. Perform CopyDataBlockBytes(targetBlock, 0, srcBlock, srcByteOffset, srcLength).
+    copy_data_block_bytes(target_block, 0, source_block, source_byte_offset, source_length);
+
+    // 6. Return targetBuffer.
+    return target_buffer;
+}
+
+// 25.1.3.7 GetArrayBufferMaxByteLengthOption ( options ), https://tc39.es/ecma262/#sec-getarraybuffermaxbytelengthoption
+ThrowCompletionOr<Optional<size_t>> get_array_buffer_max_byte_length_option(VM& vm, Value options)
+{
+    // 1. If options is not an Object, return empty.
+    if (!options.is_object())
+        return OptionalNone {};
+
+    // 2. Let maxByteLength be ? Get(options, "maxByteLength").
+    auto max_byte_length = TRY(options.as_object().get(vm.names.maxByteLength));
+
+    // 3. If maxByteLength is undefined, return empty.
+    if (max_byte_length.is_undefined())
+        return OptionalNone {};
+
+    // 4. Return ? ToIndex(maxByteLength).
+    return TRY(max_byte_length.to_index(vm));
+}
+
 // 25.2.2.1 AllocateSharedArrayBuffer ( constructor, byteLength [ , maxByteLength ] ), https://tc39.es/ecma262/#sec-allocatesharedarraybuffer
 ThrowCompletionOr<NonnullGCPtr<ArrayBuffer>> allocate_shared_array_buffer(VM& vm, FunctionObject& constructor, size_t byte_length)
 {

Userland/Libraries/LibJS/Runtime/ArrayBuffer.h

@@ -83,7 +83,7 @@ public:
 
     void detach_buffer() { m_data_block.byte_buffer = Empty {}; }
 
-    // 25.1.3.3 IsDetachedBuffer ( arrayBuffer ), https://tc39.es/ecma262/#sec-isdetachedbuffer
+    // 25.1.3.4 IsDetachedBuffer ( arrayBuffer ), https://tc39.es/ecma262/#sec-isdetachedbuffer
     bool is_detached() const
     {
         // 1. If arrayBuffer.[[ArrayBufferData]] is null, return true.
@@ -93,7 +93,7 @@ public:
         return false;
     }
 
-    // 25.1.3.8 IsFixedLengthArrayBuffer ( arrayBuffer ), https://tc39.es/ecma262/#sec-isfixedlengtharraybuffer
+    // 25.1.3.9 IsFixedLengthArrayBuffer ( arrayBuffer ), https://tc39.es/ecma262/#sec-isfixedlengtharraybuffer
     bool is_fixed_length() const
     {
         // 1. If arrayBuffer has an [[ArrayBufferMaxByteLength]] internal slot, return false.
@@ -148,10 +148,10 @@ private:
 ThrowCompletionOr<DataBlock> create_byte_data_block(VM& vm, size_t size);
 void copy_data_block_bytes(ByteBuffer& to_block, u64 to_index, ByteBuffer const& from_block, u64 from_index, u64 count);
 ThrowCompletionOr<ArrayBuffer*> allocate_array_buffer(VM&, FunctionObject& constructor, size_t byte_length, Optional<size_t> const& max_byte_length = {});
+ThrowCompletionOr<ArrayBuffer*> array_buffer_copy_and_detach(VM&, ArrayBuffer& array_buffer, Value new_length, PreserveResizability preserve_resizability);
 ThrowCompletionOr<void> detach_array_buffer(VM&, ArrayBuffer& array_buffer, Optional<Value> key = {});
 ThrowCompletionOr<Optional<size_t>> get_array_buffer_max_byte_length_option(VM&, Value options);
 ThrowCompletionOr<ArrayBuffer*> clone_array_buffer(VM&, ArrayBuffer& source_buffer, size_t source_byte_offset, size_t source_length);
-ThrowCompletionOr<ArrayBuffer*> array_buffer_copy_and_detach(VM&, ArrayBuffer& array_buffer, Value new_length, PreserveResizability preserve_resizability);
 ThrowCompletionOr<NonnullGCPtr<ArrayBuffer>> allocate_shared_array_buffer(VM&, FunctionObject& constructor, size_t byte_length);
 
 // 25.1.3.2 ArrayBufferByteLength ( arrayBuffer, order ), https://tc39.es/ecma262/#sec-arraybufferbytelength
@@ -170,7 +170,7 @@ inline size_t array_buffer_byte_length(ArrayBuffer const& array_buffer, ArrayBuf
     return array_buffer.byte_length();
 }
 
-// 25.1.3.13 RawBytesToNumeric ( type, rawBytes, isLittleEndian ), https://tc39.es/ecma262/#sec-rawbytestonumeric
+// 25.1.3.14 RawBytesToNumeric ( type, rawBytes, isLittleEndian ), https://tc39.es/ecma262/#sec-rawbytestonumeric
 template<typename T>
 static Value raw_bytes_to_numeric(VM& vm, Bytes raw_value, bool is_little_endian)
 {
@@ -242,7 +242,7 @@ static Value raw_bytes_to_numeric(VM& vm, Bytes raw_value, bool is_little_endian
     }
 }
 
-// 25.1.3.15 GetValueFromBuffer ( arrayBuffer, byteIndex, type, isTypedArray, order [ , isLittleEndian ] ), https://tc39.es/ecma262/#sec-getvaluefrombuffer
+// 25.1.3.16 GetValueFromBuffer ( arrayBuffer, byteIndex, type, isTypedArray, order [ , isLittleEndian ] ), https://tc39.es/ecma262/#sec-getvaluefrombuffer
 template<typename T>
 Value ArrayBuffer::get_value(size_t byte_index, [[maybe_unused]] bool is_typed_array, Order, bool is_little_endian)
 {
@@ -288,7 +288,7 @@ Value ArrayBuffer::get_value(size_t byte_index, [[maybe_unused]] bool is_typed_a
     return raw_bytes_to_numeric<T>(vm, raw_value, is_little_endian);
 }
 
-// 25.1.3.16 NumericToRawBytes ( type, value, isLittleEndian ), https://tc39.es/ecma262/#sec-numerictorawbytes
+// 25.1.3.17 NumericToRawBytes ( type, value, isLittleEndian ), https://tc39.es/ecma262/#sec-numerictorawbytes
 template<typename T>
 static void numeric_to_raw_bytes(VM& vm, Value value, bool is_little_endian, Bytes raw_bytes)
 {
@@ -353,7 +353,7 @@ static void numeric_to_raw_bytes(VM& vm, Value value, bool is_little_endian, Byt
     }
 }
 
-// 25.1.3.17 SetValueInBuffer ( arrayBuffer, byteIndex, type, value, isTypedArray, order [ , isLittleEndian ] ), https://tc39.es/ecma262/#sec-setvalueinbuffer
+// 25.1.3.18 SetValueInBuffer ( arrayBuffer, byteIndex, type, value, isTypedArray, order [ , isLittleEndian ] ), https://tc39.es/ecma262/#sec-setvalueinbuffer
 template<typename T>
 void ArrayBuffer::set_value(size_t byte_index, Value value, [[maybe_unused]] bool is_typed_array, Order, bool is_little_endian)
 {
@@ -399,7 +399,7 @@ void ArrayBuffer::set_value(size_t byte_index, Value value, [[maybe_unused]] boo
     // 10. Return unused.
 }
 
-// 25.1.3.18 GetModifySetValueInBuffer ( arrayBuffer, byteIndex, type, value, op [ , isLittleEndian ] ), https://tc39.es/ecma262/#sec-getmodifysetvalueinbuffer
+// 25.1.3.19 GetModifySetValueInBuffer ( arrayBuffer, byteIndex, type, value, op [ , isLittleEndian ] ), https://tc39.es/ecma262/#sec-getmodifysetvalueinbuffer
 template<typename T>
 Value ArrayBuffer::get_modify_set_value(size_t byte_index, Value value, ReadWriteModifyFunction operation, bool is_little_endian)
 {

Userland/Libraries/LibJS/Runtime/ArrayBufferPrototype.cpp

@@ -27,11 +27,11 @@ void ArrayBufferPrototype::initialize(Realm& realm)
     Base::initialize(realm);
     u8 attr = Attribute::Writable | Attribute::Configurable;
     define_native_accessor(realm, vm.names.byteLength, byte_length_getter, {}, Attribute::Configurable);
+    define_native_accessor(realm, vm.names.detached, detached_getter, {}, Attribute::Configurable);
     define_native_accessor(realm, vm.names.maxByteLength, max_byte_length, {}, Attribute::Configurable);
     define_native_accessor(realm, vm.names.resizable, resizable, {}, Attribute::Configurable);
     define_native_function(realm, vm.names.resize, resize, 1, attr);
     define_native_function(realm, vm.names.slice, slice, 2, attr);
-    define_native_accessor(realm, vm.names.detached, detached_getter, {}, Attribute::Configurable);
     define_native_function(realm, vm.names.transfer, transfer, 0, attr);
     define_native_function(realm, vm.names.transferToFixedLength, transfer_to_fixed_length, 0, attr);
 
@@ -57,7 +57,22 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::byte_length_getter)
     return Value(array_buffer_object->byte_length());
 }
 
-// 25.1.6.3 get ArrayBuffer.prototype.maxByteLength, https://tc39.es/ecma262/#sec-get-arraybuffer.prototype.maxbytelength
+// 25.1.6.3 get ArrayBuffer.prototype.detached, https://tc39.es/ecma262/#sec-get-arraybuffer.prototype.detached
+JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::detached_getter)
+{
+    // 1. Let O be the this value.
+    // 2. Perform ? RequireInternalSlot(O, [[ArrayBufferData]]).
+    auto array_buffer_object = TRY(typed_this_value(vm));
+
+    // 3. If IsSharedArrayBuffer(O) is true, throw a TypeError exception.
+    if (array_buffer_object->is_shared_array_buffer())
+        return vm.throw_completion<TypeError>(ErrorType::SharedArrayBuffer);
+
+    // 4. Return IsDetachedBuffer(O).
+    return Value(array_buffer_object->is_detached());
+}
+
+// 25.1.6.4 get ArrayBuffer.prototype.maxByteLength, https://tc39.es/ecma262/#sec-get-arraybuffer.prototype.maxbytelength
 JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::max_byte_length)
 {
     // 1. Let O be the this value.
@@ -89,7 +104,7 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::max_byte_length)
     return Value { length };
 }
 
-// 25.1.6.4 get ArrayBuffer.prototype.resizable, https://tc39.es/ecma262/#sec-get-arraybuffer.prototype.resizable
+// 25.1.6.5 get ArrayBuffer.prototype.resizable, https://tc39.es/ecma262/#sec-get-arraybuffer.prototype.resizable
 JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::resizable)
 {
     // 1. Let O be the this value.
@@ -104,7 +119,7 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::resizable)
     return Value { !array_buffer_object->is_fixed_length() };
 }
 
-// 25.1.6.5 ArrayBuffer.prototype.resize ( newLength ), https://tc39.es/ecma262/#sec-arraybuffer.prototype.resize
+// 25.1.6.6 ArrayBuffer.prototype.resize ( newLength ), https://tc39.es/ecma262/#sec-arraybuffer.prototype.resize
 JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::resize)
 {
     auto new_length = vm.argument(0);
@@ -161,7 +176,7 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::resize)
     return js_undefined();
 }
 
-// 25.1.6.6 ArrayBuffer.prototype.slice ( start, end ), https://tc39.es/ecma262/#sec-arraybuffer.prototype.slice
+// 25.1.6.7 ArrayBuffer.prototype.slice ( start, end ), https://tc39.es/ecma262/#sec-arraybuffer.prototype.slice
 JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::slice)
 {
     auto& realm = *vm.current_realm();
@@ -270,39 +285,24 @@ JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::slice)
     return new_array_buffer_object;
 }
 
-// 25.1.5.4 get ArrayBuffer.prototype.detached, https://tc39.es/proposal-arraybuffer-transfer/#sec-get-arraybuffer.prototype.detached
+// 25.1.6.8 ArrayBuffer.prototype.transfer ( [ newLength ] ), https://tc39.es/ecma262/#sec-arraybuffer.prototype.transfer
-JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::detached_getter)
-{
-    // 1. Let O be the this value.
-    // 2. Perform ? RequireInternalSlot(O, [[ArrayBufferData]]).
-    auto array_buffer_object = TRY(typed_this_value(vm));
-
-    // 3. If IsSharedArrayBuffer(O) is true, throw a TypeError exception.
-    if (array_buffer_object->is_shared_array_buffer())
-        return vm.throw_completion<TypeError>(ErrorType::SharedArrayBuffer);
-
-    // 4. Return IsDetachedBuffer(O).
-    return Value(array_buffer_object->is_detached());
-}
-
-// 25.1.5.5 ArrayBuffer.prototype.transfer ( [ newLength ] ), https://tc39.es/proposal-arraybuffer-transfer/#sec-arraybuffer.prototype.transfer
 JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::transfer)
 {
     // 1. Let O be the this value.
     auto array_buffer_object = TRY(typed_this_value(vm));
 
-    // 2. Return ? ArrayBufferCopyAndDetach(O, newLength, preserve-resizability).
+    // 2. Return ? ArrayBufferCopyAndDetach(O, newLength, PRESERVE-RESIZABILITY).
     auto new_length = vm.argument(0);
     return TRY(array_buffer_copy_and_detach(vm, array_buffer_object, new_length, PreserveResizability::PreserveResizability));
 }
 
-// 25.1.5.6 ArrayBuffer.prototype.transferToFixedLength ( [ newLength ] ), https://tc39.es/proposal-arraybuffer-transfer/#sec-arraybuffer.prototype.transfertofixedlength
+// 25.1.6.9 ArrayBuffer.prototype.transferToFixedLength ( [ newLength ] ), https://tc39.es/ecma262/#sec-arraybuffer.prototype.transfertofixedlength
 JS_DEFINE_NATIVE_FUNCTION(ArrayBufferPrototype::transfer_to_fixed_length)
 {
     // 1. Let O be the this value.
     auto array_buffer_object = TRY(typed_this_value(vm));
 
-    // 2. Return ? ArrayBufferCopyAndDetach(O, newLength, fixed-length).
+    // 2. Return ? ArrayBufferCopyAndDetach(O, newLength, FIXED-LENGTH).
     auto new_length = vm.argument(0);
     return TRY(array_buffer_copy_and_detach(vm, array_buffer_object, new_length, PreserveResizability::FixedLength));
 }

Userland/Libraries/LibJS/Runtime/ArrayBufferPrototype.h

@@ -23,11 +23,11 @@ private:
     explicit ArrayBufferPrototype(Realm&);
 
     JS_DECLARE_NATIVE_FUNCTION(byte_length_getter);
+    JS_DECLARE_NATIVE_FUNCTION(detached_getter);
     JS_DECLARE_NATIVE_FUNCTION(max_byte_length);
     JS_DECLARE_NATIVE_FUNCTION(resizable);
     JS_DECLARE_NATIVE_FUNCTION(resize);
     JS_DECLARE_NATIVE_FUNCTION(slice);
-    JS_DECLARE_NATIVE_FUNCTION(detached_getter);
     JS_DECLARE_NATIVE_FUNCTION(transfer);
     JS_DECLARE_NATIVE_FUNCTION(transfer_to_fixed_length);
 };

Userland/Libraries/LibJS/Runtime/TypedArray.h

@@ -54,15 +54,15 @@ public:
     u32 element_size() const { return m_element_size; }
     virtual DeprecatedFlyString const& element_name() const = 0;
 
-    // 25.1.3.10 IsUnclampedIntegerElementType ( type ), https://tc39.es/ecma262/#sec-isunclampedintegerelementtype
+    // 25.1.3.11 IsUnclampedIntegerElementType ( type ), https://tc39.es/ecma262/#sec-isunclampedintegerelementtype
     virtual bool is_unclamped_integer_element_type() const = 0;
-    // 25.1.3.11 IsBigIntElementType ( type ), https://tc39.es/ecma262/#sec-isbigintelementtype
+    // 25.1.3.12 IsBigIntElementType ( type ), https://tc39.es/ecma262/#sec-isbigintelementtype
     virtual bool is_bigint_element_type() const = 0;
-    // 25.1.3.15 GetValueFromBuffer ( arrayBuffer, byteIndex, type, isTypedArray, order [ , isLittleEndian ] ), https://tc39.es/ecma262/#sec-getvaluefrombuffer
+    // 25.1.3.16 GetValueFromBuffer ( arrayBuffer, byteIndex, type, isTypedArray, order [ , isLittleEndian ] ), https://tc39.es/ecma262/#sec-getvaluefrombuffer
     virtual Value get_value_from_buffer(size_t byte_index, ArrayBuffer::Order, bool is_little_endian = true) const = 0;
-    // 25.1.3.17 SetValueInBuffer ( arrayBuffer, byteIndex, type, value, isTypedArray, order [ , isLittleEndian ] ), https://tc39.es/ecma262/#sec-setvalueinbuffer
+    // 25.1.3.18 SetValueInBuffer ( arrayBuffer, byteIndex, type, value, isTypedArray, order [ , isLittleEndian ] ), https://tc39.es/ecma262/#sec-setvalueinbuffer
     virtual void set_value_in_buffer(size_t byte_index, Value, ArrayBuffer::Order, bool is_little_endian = true) = 0;
-    // 25.1.3.18 GetModifySetValueInBuffer ( arrayBuffer, byteIndex, type, value, op ), https://tc39.es/ecma262/#sec-getmodifysetvalueinbuffer
+    // 25.1.3.19 GetModifySetValueInBuffer ( arrayBuffer, byteIndex, type, value, op ), https://tc39.es/ecma262/#sec-getmodifysetvalueinbuffer
     virtual Value get_modify_set_value_in_buffer(size_t byte_index, Value value, ReadWriteModifyFunction operation, bool is_little_endian = true) = 0;
 
 protected:

Userland/Libraries/LibJS/Runtime/VM.cpp

@@ -146,7 +146,7 @@ VM::VM(OwnPtr<CustomData> custom_data, ErrorMessages error_messages)
         //       call HostEnsureCanAddPrivateElement when needed.
     };
 
-    // 25.1.3.7 HostResizeArrayBuffer ( buffer, newByteLength ), https://tc39.es/ecma262/#sec-hostresizearraybuffer
+    // 25.1.3.8 HostResizeArrayBuffer ( buffer, newByteLength ), https://tc39.es/ecma262/#sec-hostresizearraybuffer
     host_resize_array_buffer = [this](ArrayBuffer& buffer, size_t new_byte_length) -> ThrowCompletionOr<HandledByHost> {
         // The host-defined abstract operation HostResizeArrayBuffer takes arguments buffer (an ArrayBuffer) and
         // newByteLength (a non-negative integer) and returns either a normal completion containing either handled or