deps: update V8 to 8.6.395

PR-URL: https://github.com/nodejs/node/pull/35415
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>

1 files changed, 0 insertions, 386 deletions

diff --git a/deps/v8/src/builtins/builtins-conversion-gen.cc b/deps/v8/src/builtins/builtins-conversion-gen.cc
index e524f39b5f..54fa752969 100644
--- a/deps/v8/src/builtins/builtins-conversion-gen.cc
+++ b/deps/v8/src/builtins/builtins-conversion-gen.cc
@@ -12,181 +12,6 @@
 namespace v8 {
 namespace internal {
 
-class ConversionBuiltinsAssembler : public CodeStubAssembler {
- public:
-  explicit ConversionBuiltinsAssembler(compiler::CodeAssemblerState* state)
-      : CodeStubAssembler(state) {}
-
- protected:
-  void Generate_NonPrimitiveToPrimitive(TNode<Context> context,
-                                        TNode<Object> input,
-                                        ToPrimitiveHint hint);
-
-  void Generate_OrdinaryToPrimitive(TNode<Context> context, TNode<Object> input,
-                                    OrdinaryToPrimitiveHint hint);
-};
-
-// ES6 section 7.1.1 ToPrimitive ( input [ , PreferredType ] )
-void ConversionBuiltinsAssembler::Generate_NonPrimitiveToPrimitive(
-    TNode<Context> context, TNode<Object> input, ToPrimitiveHint hint) {
-  // Lookup the @@toPrimitive property on the {input}.
-  TNode<Object> exotic_to_prim =
-      GetProperty(context, input, factory()->to_primitive_symbol());
-
-  // Check if {exotic_to_prim} is neither null nor undefined.
-  Label ordinary_to_primitive(this);
-  GotoIf(IsNullOrUndefined(exotic_to_prim), &ordinary_to_primitive);
-  {
-    // Invoke the {exotic_to_prim} method on the {input} with a string
-    // representation of the {hint}.
-    TNode<String> hint_string =
-        HeapConstant(factory()->ToPrimitiveHintString(hint));
-    TNode<Object> result = Call(context, exotic_to_prim, input, hint_string);
-
-    // Verify that the {result} is actually a primitive.
-    Label if_resultisprimitive(this),
-        if_resultisnotprimitive(this, Label::kDeferred);
-    GotoIf(TaggedIsSmi(result), &if_resultisprimitive);
-    TNode<Uint16T> result_instance_type = LoadInstanceType(CAST(result));
-    Branch(IsPrimitiveInstanceType(result_instance_type), &if_resultisprimitive,
-           &if_resultisnotprimitive);
-
-    BIND(&if_resultisprimitive);
-    {
-      // Just return the {result}.
-      Return(result);
-    }
-
-    BIND(&if_resultisnotprimitive);
-    {
-      // Somehow the @@toPrimitive method on {input} didn't yield a primitive.
-      ThrowTypeError(context, MessageTemplate::kCannotConvertToPrimitive);
-    }
-  }
-
-  // Convert using the OrdinaryToPrimitive algorithm instead.
-  BIND(&ordinary_to_primitive);
-  {
-    Callable callable = CodeFactory::OrdinaryToPrimitive(
-        isolate(), (hint == ToPrimitiveHint::kString)
-                       ? OrdinaryToPrimitiveHint::kString
-                       : OrdinaryToPrimitiveHint::kNumber);
-    TailCallStub(callable, context, input);
-  }
-}
-
-TF_BUILTIN(NonPrimitiveToPrimitive_Default, ConversionBuiltinsAssembler) {
-  TNode<Context> context = CAST(Parameter(Descriptor::kContext));
-  TNode<Object> input = CAST(Parameter(Descriptor::kArgument));
-
-  Generate_NonPrimitiveToPrimitive(context, input, ToPrimitiveHint::kDefault);
-}
-
-TF_BUILTIN(NonPrimitiveToPrimitive_Number, ConversionBuiltinsAssembler) {
-  TNode<Context> context = CAST(Parameter(Descriptor::kContext));
-  TNode<Object> input = CAST(Parameter(Descriptor::kArgument));
-
-  Generate_NonPrimitiveToPrimitive(context, input, ToPrimitiveHint::kNumber);
-}
-
-TF_BUILTIN(NonPrimitiveToPrimitive_String, ConversionBuiltinsAssembler) {
-  TNode<Context> context = CAST(Parameter(Descriptor::kContext));
-  TNode<Object> input = CAST(Parameter(Descriptor::kArgument));
-
-  Generate_NonPrimitiveToPrimitive(context, input, ToPrimitiveHint::kString);
-}
-
-TF_BUILTIN(StringToNumber, CodeStubAssembler) {
-  TNode<String> input = CAST(Parameter(Descriptor::kArgument));
-
-  Return(StringToNumber(input));
-}
-
-TF_BUILTIN(ToName, CodeStubAssembler) {
-  TNode<Context> context = CAST(Parameter(Descriptor::kContext));
-  TNode<Object> input = CAST(Parameter(Descriptor::kArgument));
-
-  TVARIABLE(Object, var_input, input);
-  Label loop(this, &var_input);
-  Goto(&loop);
-  BIND(&loop);
-  {
-    // Load the current {input} value.
-    TNode<Object> input = var_input.value();
-
-    // Dispatch based on the type of the {input.}
-    Label if_inputisbigint(this), if_inputisname(this), if_inputisnumber(this),
-        if_inputisoddball(this), if_inputisreceiver(this, Label::kDeferred);
-    GotoIf(TaggedIsSmi(input), &if_inputisnumber);
-    TNode<Uint16T> input_instance_type = LoadInstanceType(CAST(input));
-    STATIC_ASSERT(FIRST_NAME_TYPE == FIRST_TYPE);
-    GotoIf(IsNameInstanceType(input_instance_type), &if_inputisname);
-    GotoIf(IsJSReceiverInstanceType(input_instance_type), &if_inputisreceiver);
-    GotoIf(IsHeapNumberInstanceType(input_instance_type), &if_inputisnumber);
-    Branch(IsBigIntInstanceType(input_instance_type), &if_inputisbigint,
-           &if_inputisoddball);
-
-    BIND(&if_inputisbigint);
-    {
-      // We don't have a fast-path for BigInt currently, so just
-      // tail call to the %ToString runtime function here for now.
-      TailCallRuntime(Runtime::kToStringRT, context, input);
-    }
-
-    BIND(&if_inputisname);
-    {
-      // The {input} is already a Name.
-      Return(input);
-    }
-
-    BIND(&if_inputisnumber);
-    {
-      // Convert the String {input} to a Number.
-      TailCallBuiltin(Builtins::kNumberToString, context, input);
-    }
-
-    BIND(&if_inputisoddball);
-    {
-      // Just return the {input}'s string representation.
-      CSA_ASSERT(this, IsOddballInstanceType(input_instance_type));
-      Return(LoadObjectField(CAST(input), Oddball::kToStringOffset));
-    }
-
-    BIND(&if_inputisreceiver);
-    {
-      // Convert the JSReceiver {input} to a primitive first,
-      // and then run the loop again with the new {input},
-      // which is then a primitive value.
-      var_input = CallBuiltin(Builtins::kNonPrimitiveToPrimitive_String,
-                              context, input);
-      Goto(&loop);
-    }
-  }
-}
-
-TF_BUILTIN(NonNumberToNumber, CodeStubAssembler) {
-  TNode<Context> context = CAST(Parameter(Descriptor::kContext));
-  TNode<HeapObject> input = CAST(Parameter(Descriptor::kArgument));
-
-  Return(NonNumberToNumber(context, input));
-}
-
-TF_BUILTIN(NonNumberToNumeric, CodeStubAssembler) {
-  TNode<Context> context = CAST(Parameter(Descriptor::kContext));
-  TNode<HeapObject> input = CAST(Parameter(Descriptor::kArgument));
-
-  Return(NonNumberToNumeric(context, input));
-}
-
-TF_BUILTIN(ToNumeric, CodeStubAssembler) {
-  TNode<Context> context = CAST(Parameter(Descriptor::kContext));
-  TNode<Object> input = CAST(Parameter(Descriptor::kArgument));
-
-  Return(Select<Numeric>(
-      IsNumber(input), [=] { return CAST(input); },
-      [=] { return NonNumberToNumeric(context, CAST(input)); }));
-}
-
 // ES6 section 7.1.3 ToNumber ( argument )
 TF_BUILTIN(ToNumber, CodeStubAssembler) {
   // TODO(solanes, v8:6949): Changing this to a TNode<Context> crashes with the
@@ -206,93 +31,6 @@ TF_BUILTIN(ToNumberConvertBigInt, CodeStubAssembler) {
   Return(ToNumber(context, input, BigIntHandling::kConvertToNumber));
 }
 
-// ES section #sec-tostring-applied-to-the-number-type
-TF_BUILTIN(NumberToString, CodeStubAssembler) {
-  TNode<Number> input = CAST(Parameter(Descriptor::kArgument));
-
-  Return(NumberToString(input));
-}
-
-// 7.1.1.1 OrdinaryToPrimitive ( O, hint )
-void ConversionBuiltinsAssembler::Generate_OrdinaryToPrimitive(
-    TNode<Context> context, TNode<Object> input, OrdinaryToPrimitiveHint hint) {
-  TVARIABLE(Object, var_result);
-  Label return_result(this, &var_result);
-
-  Handle<String> method_names[2];
-  switch (hint) {
-    case OrdinaryToPrimitiveHint::kNumber:
-      method_names[0] = factory()->valueOf_string();
-      method_names[1] = factory()->toString_string();
-      break;
-    case OrdinaryToPrimitiveHint::kString:
-      method_names[0] = factory()->toString_string();
-      method_names[1] = factory()->valueOf_string();
-      break;
-  }
-  for (Handle<String> name : method_names) {
-    // Lookup the {name} on the {input}.
-    TNode<Object> method = GetProperty(context, input, name);
-
-    // Check if the {method} is callable.
-    Label if_methodiscallable(this),
-        if_methodisnotcallable(this, Label::kDeferred);
-    GotoIf(TaggedIsSmi(method), &if_methodisnotcallable);
-    TNode<Map> method_map = LoadMap(CAST(method));
-    Branch(IsCallableMap(method_map), &if_methodiscallable,
-           &if_methodisnotcallable);
-
-    BIND(&if_methodiscallable);
-    {
-      // Call the {method} on the {input}.
-      TNode<Object> result = Call(context, method, input);
-      var_result = result;
-
-      // Return the {result} if it is a primitive.
-      GotoIf(TaggedIsSmi(result), &return_result);
-      TNode<Uint16T> result_instance_type = LoadInstanceType(CAST(result));
-      GotoIf(IsPrimitiveInstanceType(result_instance_type), &return_result);
-    }
-
-    // Just continue with the next {name} if the {method} is not callable.
-    Goto(&if_methodisnotcallable);
-    BIND(&if_methodisnotcallable);
-  }
-
-  ThrowTypeError(context, MessageTemplate::kCannotConvertToPrimitive);
-
-  BIND(&return_result);
-  Return(var_result.value());
-}
-
-TF_BUILTIN(OrdinaryToPrimitive_Number, ConversionBuiltinsAssembler) {
-  TNode<Context> context = CAST(Parameter(Descriptor::kContext));
-  TNode<Object> input = CAST(Parameter(Descriptor::kArgument));
-  Generate_OrdinaryToPrimitive(context, input,
-                               OrdinaryToPrimitiveHint::kNumber);
-}
-
-TF_BUILTIN(OrdinaryToPrimitive_String, ConversionBuiltinsAssembler) {
-  TNode<Context> context = CAST(Parameter(Descriptor::kContext));
-  TNode<Object> input = CAST(Parameter(Descriptor::kArgument));
-  Generate_OrdinaryToPrimitive(context, input,
-                               OrdinaryToPrimitiveHint::kString);
-}
-
-// ES6 section 7.1.2 ToBoolean ( argument )
-TF_BUILTIN(ToBoolean, CodeStubAssembler) {
-  TNode<Object> value = CAST(Parameter(Descriptor::kArgument));
-
-  Label return_true(this), return_false(this);
-  BranchIfToBooleanIsTrue(value, &return_true, &return_false);
-
-  BIND(&return_true);
-  Return(TrueConstant());
-
-  BIND(&return_false);
-  Return(FalseConstant());
-}
-
 // ES6 section 7.1.2 ToBoolean ( argument )
 // Requires parameter on stack so that it can be used as a continuation from a
 // LAZY deopt.
@@ -309,130 +47,6 @@ TF_BUILTIN(ToBooleanLazyDeoptContinuation, CodeStubAssembler) {
   Return(FalseConstant());
 }
 
-TF_BUILTIN(ToLength, CodeStubAssembler) {
-  TNode<Context> context = CAST(Parameter(Descriptor::kContext));
-
-  // We might need to loop once for ToNumber conversion.
-  TVARIABLE(Object, var_len, CAST(Parameter(Descriptor::kArgument)));
-  Label loop(this, &var_len);
-  Goto(&loop);
-  BIND(&loop);
-  {
-    // Shared entry points.
-    Label return_len(this), return_two53minus1(this, Label::kDeferred),
-        return_zero(this, Label::kDeferred);
-
-    // Load the current {len} value.
-    TNode<Object> len = var_len.value();
-
-    // Check if {len} is a positive Smi.
-    GotoIf(TaggedIsPositiveSmi(len), &return_len);
-
-    // Check if {len} is a (negative) Smi.
-    GotoIf(TaggedIsSmi(len), &return_zero);
-
-    // Check if {len} is a HeapNumber.
-    TNode<HeapObject> len_heap_object = CAST(len);
-    Label if_lenisheapnumber(this),
-        if_lenisnotheapnumber(this, Label::kDeferred);
-    Branch(IsHeapNumber(len_heap_object), &if_lenisheapnumber,
-           &if_lenisnotheapnumber);
-
-    BIND(&if_lenisheapnumber);
-    {
-      // Load the floating-point value of {len}.
-      TNode<Float64T> len_value = LoadHeapNumberValue(len_heap_object);
-
-      // Check if {len} is not greater than zero.
-      GotoIfNot(Float64GreaterThan(len_value, Float64Constant(0.0)),
-                &return_zero);
-
-      // Check if {len} is greater than or equal to 2^53-1.
-      GotoIf(Float64GreaterThanOrEqual(len_value,
-                                       Float64Constant(kMaxSafeInteger)),
-             &return_two53minus1);
-
-      // Round the {len} towards -Infinity.
-      TNode<Float64T> value = Float64Floor(len_value);
-      TNode<Number> result = ChangeFloat64ToTagged(value);
-      Return(result);
-    }
-
-    BIND(&if_lenisnotheapnumber);
-    {
-      // Need to convert {len} to a Number first.
-      var_len = CallBuiltin(Builtins::kNonNumberToNumber, context, len);
-      Goto(&loop);
-    }
-
-    BIND(&return_len);
-    Return(var_len.value());
-
-    BIND(&return_two53minus1);
-    Return(NumberConstant(kMaxSafeInteger));
-
-    BIND(&return_zero);
-    Return(SmiConstant(0));
-  }
-}
-
-// ES6 section 7.1.13 ToObject (argument)
-TF_BUILTIN(ToObject, CodeStubAssembler) {
-  Label if_smi(this, Label::kDeferred), if_jsreceiver(this),
-      if_noconstructor(this, Label::kDeferred),
-      if_wrapjs_primitive_wrapper(this);
-
-  TNode<Context> context = CAST(Parameter(Descriptor::kContext));
-  TNode<Object> object = CAST(Parameter(Descriptor::kArgument));
-
-  TVARIABLE(IntPtrT, constructor_function_index_var);
-
-  GotoIf(TaggedIsSmi(object), &if_smi);
-
-  TNode<Map> map = LoadMap(CAST(object));
-  TNode<Uint16T> instance_type = LoadMapInstanceType(map);
-  GotoIf(IsJSReceiverInstanceType(instance_type), &if_jsreceiver);
-
-  TNode<IntPtrT> constructor_function_index =
-      LoadMapConstructorFunctionIndex(map);
-  GotoIf(WordEqual(constructor_function_index,
-                   IntPtrConstant(Map::kNoConstructorFunctionIndex)),
-         &if_noconstructor);
-  constructor_function_index_var = constructor_function_index;
-  Goto(&if_wrapjs_primitive_wrapper);
-
-  BIND(&if_smi);
-  constructor_function_index_var =
-      IntPtrConstant(Context::NUMBER_FUNCTION_INDEX);
-  Goto(&if_wrapjs_primitive_wrapper);
-
-  BIND(&if_wrapjs_primitive_wrapper);
-  TNode<NativeContext> native_context = LoadNativeContext(context);
-  TNode<JSFunction> constructor = CAST(LoadContextElement(
-      native_context, constructor_function_index_var.value()));
-  TNode<Map> initial_map = LoadObjectField<Map>(
-      constructor, JSFunction::kPrototypeOrInitialMapOffset);
-  TNode<HeapObject> js_primitive_wrapper =
-      Allocate(JSPrimitiveWrapper::kHeaderSize);
-  StoreMapNoWriteBarrier(js_primitive_wrapper, initial_map);
-  StoreObjectFieldRoot(js_primitive_wrapper,
-                       JSPrimitiveWrapper::kPropertiesOrHashOffset,
-                       RootIndex::kEmptyFixedArray);
-  StoreObjectFieldRoot(js_primitive_wrapper,
-                       JSPrimitiveWrapper::kElementsOffset,
-                       RootIndex::kEmptyFixedArray);
-  StoreObjectField(js_primitive_wrapper, JSPrimitiveWrapper::kValueOffset,
-                   object);
-  Return(js_primitive_wrapper);
-
-  BIND(&if_noconstructor);
-  ThrowTypeError(context, MessageTemplate::kUndefinedOrNullToObject,
-                 "ToObject");
-
-  BIND(&if_jsreceiver);
-  Return(object);
-}
-
 // ES6 section 12.5.5 typeof operator
 TF_BUILTIN(Typeof, CodeStubAssembler) {
   TNode<Object> object = CAST(Parameter(Descriptor::kObject));