deps: patch V8 to 10.2.154.4

deps/v8/include/v8-version.h

@@ -11,7 +11,7 @@
 #define V8_MAJOR_VERSION 10
 #define V8_MINOR_VERSION 2
 #define V8_BUILD_NUMBER 154
-#define V8_PATCH_LEVEL 2
+#define V8_PATCH_LEVEL 4
 
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)

deps/v8/src/ast/ast.cc

@@ -103,10 +103,6 @@ bool Expression::IsNullLiteral() const {
   return IsLiteral() && AsLiteral()->type() == Literal::kNull;
 }
 
-bool Expression::IsBooleanLiteral() const {
-  return IsLiteral() && AsLiteral()->type() == Literal::kBoolean;
-}
-
 bool Expression::IsTheHoleLiteral() const {
   return IsLiteral() && AsLiteral()->type() == Literal::kTheHole;
 }
@@ -896,24 +892,6 @@ static bool IsVoidOfLiteral(Expression* expr) {
          maybe_unary->expression()->IsLiteral();
 }
 
-static bool MatchLiteralStrictCompareBoolean(Expression* left, Token::Value op,
-                                             Expression* right,
-                                             Expression** expr,
-                                             Literal** literal) {
-  if (left->IsBooleanLiteral() && op == Token::EQ_STRICT) {
-    *expr = right;
-    *literal = left->AsLiteral();
-    return true;
-  }
-  return false;
-}
-
-bool CompareOperation::IsLiteralStrictCompareBoolean(Expression** expr,
-                                                     Literal** literal) {
-  return MatchLiteralStrictCompareBoolean(left_, op(), right_, expr, literal) ||
-         MatchLiteralStrictCompareBoolean(right_, op(), left_, expr, literal);
-}
-
 // Check for the pattern: void <literal> equals <expression> or
 // undefined equals <expression>
 static bool MatchLiteralCompareUndefined(Expression* left, Token::Value op,

deps/v8/src/ast/ast.h

@@ -236,8 +236,6 @@ class Expression : public AstNode {
   // True iff the expression is the null literal.
   bool IsNullLiteral() const;
 
-  bool IsBooleanLiteral() const;
-
   // True iff the expression is the hole literal.
   bool IsTheHoleLiteral() const;
 
@@ -957,11 +955,6 @@ class Literal final : public Expression {
     return Smi::FromInt(smi_);
   }
 
-  bool AsBooleanLiteral() const {
-    DCHECK_EQ(kBoolean, type());
-    return boolean_;
-  }
-
   // Returns true if literal represents a Number.
   bool IsNumber() const { return type() == kHeapNumber || type() == kSmi; }
   double AsNumber() const {
@@ -1970,7 +1963,6 @@ class CompareOperation final : public Expression {
 
   // Match special cases.
   bool IsLiteralCompareTypeof(Expression** expr, Literal** literal);
-  bool IsLiteralStrictCompareBoolean(Expression** expr, Literal** literal);
   bool IsLiteralCompareUndefined(Expression** expr);
   bool IsLiteralCompareNull(Expression** expr);
 

deps/v8/src/compiler/bytecode-graph-builder.cc

@@ -3977,31 +3977,27 @@ void BytecodeGraphBuilder::BuildJumpIfNotEqual(Node* comperand) {
 }
 
 void BytecodeGraphBuilder::BuildJumpIfFalse() {
-  Node* accumulator = environment()->LookupAccumulator();
-  Node* condition = NewNode(simplified()->ReferenceEqual(), accumulator,
-                            jsgraph()->FalseConstant());
-  NewBranch(condition, BranchHint::kNone);
+  NewBranch(environment()->LookupAccumulator(), BranchHint::kNone);
   {
     SubEnvironment sub_environment(this);
-    NewIfTrue();
+    NewIfFalse();
     environment()->BindAccumulator(jsgraph()->FalseConstant());
     MergeIntoSuccessorEnvironment(bytecode_iterator().GetJumpTargetOffset());
   }
-  NewIfFalse();
+  NewIfTrue();
+  environment()->BindAccumulator(jsgraph()->TrueConstant());
 }
 
 void BytecodeGraphBuilder::BuildJumpIfTrue() {
-  Node* accumulator = environment()->LookupAccumulator();
-  Node* condition = NewNode(simplified()->ReferenceEqual(), accumulator,
-                            jsgraph()->TrueConstant());
-  NewBranch(condition, BranchHint::kNone);
+  NewBranch(environment()->LookupAccumulator(), BranchHint::kNone);
   {
     SubEnvironment sub_environment(this);
     NewIfTrue();
     environment()->BindAccumulator(jsgraph()->TrueConstant());
     MergeIntoSuccessorEnvironment(bytecode_iterator().GetJumpTargetOffset());
   }
   NewIfFalse();
+  environment()->BindAccumulator(jsgraph()->FalseConstant());
 }
 
 void BytecodeGraphBuilder::BuildJumpIfToBooleanTrue() {

deps/v8/src/compiler/wasm-compiler.cc

@@ -8554,16 +8554,10 @@ class LinkageLocationAllocator {
   // must be offset to just before the param slots, using this |slot_offset_|.
   int slot_offset_;
 };
-}  // namespace
 
-// General code uses the above configuration data.
-CallDescriptor* GetWasmCallDescriptor(Zone* zone, const wasm::FunctionSig* fsig,
-                                      WasmCallKind call_kind,
-                                      bool need_frame_state) {
-  // The extra here is to accomodate the instance object as first parameter
-  // and, when specified, the additional callable.
-  bool extra_callable_param =
-      call_kind == kWasmImportWrapper || call_kind == kWasmCapiFunction;
+LocationSignature* BuildLocations(Zone* zone, const wasm::FunctionSig* fsig,
+                                  bool extra_callable_param,
+                                  int* parameter_slots, int* return_slots) {
   int extra_params = extra_callable_param ? 2 : 1;
   LocationSignature::Builder locations(zone, fsig->return_count(),
                                        fsig->parameter_count() + extra_params);
@@ -8606,19 +8600,37 @@ CallDescriptor* GetWasmCallDescriptor(Zone* zone, const wasm::FunctionSig* fsig,
         kJSFunctionRegister.code(), MachineType::TaggedPointer()));
   }
 
-  int parameter_slots = AddArgumentPaddingSlots(params.NumStackSlots());
+  *parameter_slots = AddArgumentPaddingSlots(params.NumStackSlots());
 
   // Add return location(s).
   LinkageLocationAllocator rets(wasm::kGpReturnRegisters,
-                                wasm::kFpReturnRegisters, parameter_slots);
+                                wasm::kFpReturnRegisters, *parameter_slots);
 
-  const int return_count = static_cast<int>(locations.return_count_);
-  for (int i = 0; i < return_count; i++) {
+  const size_t return_count = locations.return_count_;
+  for (size_t i = 0; i < return_count; i++) {
     MachineRepresentation ret = fsig->GetReturn(i).machine_representation();
     locations.AddReturn(rets.Next(ret));
   }
 
-  int return_slots = rets.NumStackSlots();
+  *return_slots = rets.NumStackSlots();
+
+  return locations.Build();
+}
+}  // namespace
+
+// General code uses the above configuration data.
+CallDescriptor* GetWasmCallDescriptor(Zone* zone, const wasm::FunctionSig* fsig,
+                                      WasmCallKind call_kind,
+                                      bool need_frame_state) {
+  // The extra here is to accomodate the instance object as first parameter
+  // and, when specified, the additional callable.
+  bool extra_callable_param =
+      call_kind == kWasmImportWrapper || call_kind == kWasmCapiFunction;
+
+  int parameter_slots;
+  int return_slots;
+  LocationSignature* location_sig = BuildLocations(
+      zone, fsig, extra_callable_param, &parameter_slots, &return_slots);
 
   const RegList kCalleeSaveRegisters;
   const DoubleRegList kCalleeSaveFPRegisters;
@@ -8644,7 +8656,7 @@ CallDescriptor* GetWasmCallDescriptor(Zone* zone, const wasm::FunctionSig* fsig,
       descriptor_kind,                    // kind
       target_type,                        // target MachineType
       target_loc,                         // target location
-      locations.Build(),                  // location_sig
+      location_sig,                       // location_sig
       parameter_slots,                    // parameter slot count
       compiler::Operator::kNoProperties,  // properties
       kCalleeSaveRegisters,               // callee-saved registers
@@ -8695,78 +8707,45 @@ const wasm::FunctionSig* ReplaceTypeInSig(Zone* zone,
 CallDescriptor* ReplaceTypeInCallDescriptorWith(
     Zone* zone, const CallDescriptor* call_descriptor, size_t num_replacements,
     wasm::ValueType input_type, wasm::ValueType output_type) {
-  size_t parameter_count = call_descriptor->ParameterCount();
-  size_t return_count = call_descriptor->ReturnCount();
-  for (size_t i = 0; i < call_descriptor->ParameterCount(); i++) {
-    if (call_descriptor->GetParameterType(i) == input_type.machine_type()) {
-      parameter_count += num_replacements - 1;
+  if (call_descriptor->wasm_sig() == nullptr) {
+    // This happens for builtins calls. They need no replacements anyway.
+#if DEBUG
+    for (size_t i = 0; i < call_descriptor->ParameterCount(); i++) {
+      DCHECK_NE(call_descriptor->GetParameterType(i),
+                input_type.machine_type());
     }
-  }
-  for (size_t i = 0; i < call_descriptor->ReturnCount(); i++) {
-    if (call_descriptor->GetReturnType(i) == input_type.machine_type()) {
-      return_count += num_replacements - 1;
+    for (size_t i = 0; i < call_descriptor->ReturnCount(); i++) {
+      DCHECK_NE(call_descriptor->GetReturnType(i), input_type.machine_type());
     }
+#endif
+    return const_cast<CallDescriptor*>(call_descriptor);
   }
-  if (parameter_count == call_descriptor->ParameterCount() &&
-      return_count == call_descriptor->ReturnCount()) {
+  const wasm::FunctionSig* sig =
+      ReplaceTypeInSig(zone, call_descriptor->wasm_sig(), input_type,
+                       output_type, num_replacements);
+  // If {ReplaceTypeInSig} took the early fast path, there's nothing to do.
+  if (sig == call_descriptor->wasm_sig()) {
     return const_cast<CallDescriptor*>(call_descriptor);
   }
 
-  LocationSignature::Builder locations(zone, return_count, parameter_count);
-
   // The last parameter may be the special callable parameter. In that case we
   // have to preserve it as the last parameter, i.e. we allocate it in the new
   // location signature again in the same register.
-  bool has_callable_param =
+  bool extra_callable_param =
       (call_descriptor->GetInputLocation(call_descriptor->InputCount() - 1) ==
        LinkageLocation::ForRegister(kJSFunctionRegister.code(),
                                     MachineType::TaggedPointer()));
-  LinkageLocationAllocator params(
-      wasm::kGpParamRegisters, wasm::kFpParamRegisters, 0 /* no slot offset */);
-
-  for (size_t i = 0;
-       i < call_descriptor->ParameterCount() - (has_callable_param ? 1 : 0);
-       i++) {
-    if (call_descriptor->GetParameterType(i) == input_type.machine_type()) {
-      for (size_t j = 0; j < num_replacements; j++) {
-        locations.AddParam(params.Next(output_type.machine_representation()));
-      }
-    } else {
-      locations.AddParam(
-          params.Next(call_descriptor->GetParameterType(i).representation()));
-    }
-  }
-  if (has_callable_param) {
-    locations.AddParam(LinkageLocation::ForRegister(
-        kJSFunctionRegister.code(), MachineType::TaggedPointer()));
-  }
-
-  int parameter_slots = AddArgumentPaddingSlots(params.NumStackSlots());
-
-  LinkageLocationAllocator rets(wasm::kGpReturnRegisters,
-                                wasm::kFpReturnRegisters, parameter_slots);
-
-  for (size_t i = 0; i < call_descriptor->ReturnCount(); i++) {
-    if (call_descriptor->GetReturnType(i) == input_type.machine_type()) {
-      for (size_t j = 0; j < num_replacements; j++) {
-        locations.AddReturn(rets.Next(output_type.machine_representation()));
-      }
-    } else {
-      locations.AddReturn(
-          rets.Next(call_descriptor->GetReturnType(i).representation()));
-    }
-  }
-
-  int return_slots = rets.NumStackSlots();
 
-  auto sig = ReplaceTypeInSig(zone, call_descriptor->wasm_sig(), input_type,
-                              output_type, num_replacements);
+  int parameter_slots;
+  int return_slots;
+  LocationSignature* location_sig = BuildLocations(
+      zone, sig, extra_callable_param, &parameter_slots, &return_slots);
 
   return zone->New<CallDescriptor>(               // --
       call_descriptor->kind(),                    // kind
       call_descriptor->GetInputType(0),           // target MachineType
       call_descriptor->GetInputLocation(0),       // target location
-      locations.Build(),                          // location_sig
+      location_sig,                               // location_sig
       parameter_slots,                            // parameter slot count
       call_descriptor->properties(),              // properties
       call_descriptor->CalleeSavedRegisters(),    // callee-saved registers

deps/v8/src/interpreter/bytecode-generator.cc

@@ -6157,29 +6157,6 @@ void BytecodeGenerator::BuildLiteralCompareNil(
   }
 }
 
-void BytecodeGenerator::BuildLiteralStrictCompareBoolean(Literal* literal) {
-  DCHECK(literal->IsBooleanLiteral());
-  if (execution_result()->IsTest()) {
-    TestResultScope* test_result = execution_result()->AsTest();
-    if (literal->AsBooleanLiteral()) {
-      builder()->JumpIfTrue(ToBooleanMode::kAlreadyBoolean,
-                            test_result->NewThenLabel());
-    } else {
-      builder()->JumpIfFalse(ToBooleanMode::kAlreadyBoolean,
-                             test_result->NewThenLabel());
-    }
-    if (test_result->fallthrough() != TestFallthrough::kElse) {
-      builder()->Jump(test_result->NewElseLabel());
-    }
-    test_result->SetResultConsumedByTest();
-  } else {
-    Register result = register_allocator()->NewRegister();
-    builder()->StoreAccumulatorInRegister(result);
-    builder()->LoadBoolean(literal->AsBooleanLiteral());
-    builder()->CompareReference(result);
-  }
-}
-
 void BytecodeGenerator::VisitCompareOperation(CompareOperation* expr) {
   Expression* sub_expr;
   Literal* literal;
@@ -6195,11 +6172,6 @@ void BytecodeGenerator::VisitCompareOperation(CompareOperation* expr) {
     } else {
       builder()->CompareTypeOf(literal_flag);
     }
-  } else if (expr->IsLiteralStrictCompareBoolean(&sub_expr, &literal)) {
-    DCHECK(expr->op() == Token::EQ_STRICT);
-    VisitForAccumulatorValue(sub_expr);
-    builder()->SetExpressionPosition(expr);
-    BuildLiteralStrictCompareBoolean(literal);
   } else if (expr->IsLiteralCompareUndefined(&sub_expr)) {
     VisitForAccumulatorValue(sub_expr);
     builder()->SetExpressionPosition(expr);

deps/v8/src/interpreter/bytecode-generator.h

@@ -263,7 +263,6 @@ class BytecodeGenerator final : public AstVisitor<BytecodeGenerator> {
       LookupHoistingMode lookup_hoisting_mode = LookupHoistingMode::kNormal);
   void BuildLiteralCompareNil(Token::Value compare_op,
                               BytecodeArrayBuilder::NilValue nil);
-  void BuildLiteralStrictCompareBoolean(Literal* literal);
   void BuildReturn(int source_position);
   void BuildAsyncReturn(int source_position);
   void BuildAsyncGeneratorReturn();

deps/v8/src/interpreter/interpreter-generator.cc

@@ -1915,6 +1915,7 @@ IGNITION_HANDLER(JumpConstant, InterpreterAssembler) {
 // will misbehave if passed arbitrary input values.
 IGNITION_HANDLER(JumpIfTrue, InterpreterAssembler) {
   TNode<Object> accumulator = GetAccumulator();
+  CSA_DCHECK(this, IsBoolean(CAST(accumulator)));
   JumpIfTaggedEqual(accumulator, TrueConstant(), 0);
 }
 
@@ -1925,6 +1926,7 @@ IGNITION_HANDLER(JumpIfTrue, InterpreterAssembler) {
 // and will misbehave if passed arbitrary input values.
 IGNITION_HANDLER(JumpIfTrueConstant, InterpreterAssembler) {
   TNode<Object> accumulator = GetAccumulator();
+  CSA_DCHECK(this, IsBoolean(CAST(accumulator)));
   JumpIfTaggedEqualConstant(accumulator, TrueConstant(), 0);
 }
 
@@ -1935,6 +1937,7 @@ IGNITION_HANDLER(JumpIfTrueConstant, InterpreterAssembler) {
 // will misbehave if passed arbitrary input values.
 IGNITION_HANDLER(JumpIfFalse, InterpreterAssembler) {
   TNode<Object> accumulator = GetAccumulator();
+  CSA_DCHECK(this, IsBoolean(CAST(accumulator)));
   JumpIfTaggedEqual(accumulator, FalseConstant(), 0);
 }
 
@@ -1945,6 +1948,7 @@ IGNITION_HANDLER(JumpIfFalse, InterpreterAssembler) {
 // and will misbehave if passed arbitrary input values.
 IGNITION_HANDLER(JumpIfFalseConstant, InterpreterAssembler) {
   TNode<Object> accumulator = GetAccumulator();
+  CSA_DCHECK(this, IsBoolean(CAST(accumulator)));
   JumpIfTaggedEqualConstant(accumulator, FalseConstant(), 0);
 }