Remove no-zone versions of intersection and union.

BUG=

Review URL: https://codereview.chromium.org/1312893010

Cr-Commit-Position: refs/heads/master@{#30559}

src/compiler/access-builder.cc

@@ -67,14 +67,12 @@ FieldAccess AccessBuilder::ForJSDateField(JSDate::FieldIndex index) {
 
 
 // static
-FieldAccess AccessBuilder::ForFixedArrayLength() {
-  // TODO(turbofan): 2^30 is a valid upper limit for the FixedArray::length
-  // field, although it's not the best. If we had a Zone we could create an
-  // appropriate range type instead.
+FieldAccess AccessBuilder::ForFixedArrayLength(Zone* zone) {
   STATIC_ASSERT(FixedArray::kMaxLength <= 1 << 30);
   FieldAccess access = {
       kTaggedBase, FixedArray::kLengthOffset, MaybeHandle<Name>(),
-      Type::Intersect(Type::Unsigned30(), Type::TaggedSigned()),
+      Type::Intersect(Type::Range(0, FixedArray::kMaxLength, zone),
+                      Type::TaggedSigned(), zone),
       kMachAnyTagged};
   return access;
 }

src/compiler/access-builder.h

@@ -41,7 +41,7 @@ class AccessBuilder final : public AllStatic {
   static FieldAccess ForJSDateField(JSDate::FieldIndex index);
 
   // Provides access to FixedArray::length() field.
-  static FieldAccess ForFixedArrayLength();
+  static FieldAccess ForFixedArrayLength(Zone* zone);
 
   // Provides access to DescriptorArray::enum_cache() field.
   static FieldAccess ForDescriptorArrayEnumCache();

src/compiler/js-typed-lowering.cc

@@ -61,7 +61,8 @@ class AllocationBuilder final {
   void AllocateArray(int length, Handle<Map> map) {
     Allocate(FixedArray::SizeFor(length));
     Store(AccessBuilder::ForMap(), map);
-    Store(AccessBuilder::ForFixedArrayLength(), jsgraph()->Constant(length));
+    Store(AccessBuilder::ForFixedArrayLength(graph()->zone()),
+          jsgraph()->Constant(length));
   }
 
   // Compound store of a constant into a field.
@@ -1409,7 +1410,8 @@ Reduction JSTypedLowering::ReduceJSForInPrepare(Node* node) {
 
     cache_array_false0 = cache_type;
     cache_length_false0 = efalse0 = graph()->NewNode(
-        simplified()->LoadField(AccessBuilder::ForFixedArrayLength()),
+        simplified()->LoadField(
+            AccessBuilder::ForFixedArrayLength(graph()->zone())),
         cache_array_false0, efalse0, if_false0);
   }
 

src/compiler/typer.cc

@@ -259,7 +259,6 @@ class Typer::Visitor : public Reducer {
         current.lower = Weaken(node, current.lower, previous.lower);
       }
 
-      // Types should not get less precise.
       DCHECK(previous.lower->Is(current.lower));
       DCHECK(previous.upper->Is(current.upper));
 
@@ -1124,7 +1123,8 @@ Type* Typer::Visitor::JSTypeOfTyper(Type* type, Typer* t) {
     return Type::Constant(f->number_string(), t->zone());
   } else if (type->Is(Type::Symbol())) {
     return Type::Constant(f->symbol_string(), t->zone());
-  } else if (type->Is(Type::Union(Type::Undefined(), Type::Undetectable()))) {
+  } else if (type->Is(Type::Union(Type::Undefined(), Type::Undetectable(),
+                                  t->zone()))) {
     return Type::Constant(f->undefined_string(), t->zone());
   } else if (type->Is(Type::Null())) {
     return Type::Constant(f->object_string(), t->zone());

src/compiler/verifier.cc

@@ -591,7 +591,7 @@ void Verifier::Visitor::Check(Node* node) {
       break;
     }
     case IrOpcode::kJSForInNext: {
-      CheckUpperIs(node, Type::Union(Type::Name(), Type::Undefined()));
+      CheckUpperIs(node, Type::Union(Type::Name(), Type::Undefined(), zone));
       break;
     }
     case IrOpcode::kJSForInStep: {

src/interface-descriptors.cc

@@ -9,35 +9,36 @@ namespace internal {
 
 namespace {
 // Constructors for common combined semantic and representation types.
-Type* SmiType() {
-  return Type::Intersect(Type::SignedSmall(), Type::TaggedSigned());
+Type* SmiType(Zone* zone) {
+  return Type::Intersect(Type::SignedSmall(), Type::TaggedSigned(), zone);
 }
 
 
-Type* UntaggedSigned32() {
-  return Type::Intersect(Type::Signed32(), Type::UntaggedSigned32());
+Type* UntaggedSigned32(Zone* zone) {
+  return Type::Intersect(Type::Signed32(), Type::UntaggedSigned32(), zone);
 }
 
 
-Type* AnyTagged() {
+Type* AnyTagged(Zone* zone) {
   return Type::Intersect(
-      Type::Any(), Type::Union(Type::TaggedPointer(), Type::TaggedSigned()));
+      Type::Any(),
+      Type::Union(Type::TaggedPointer(), Type::TaggedSigned(), zone), zone);
 }
 
 
-Type* ExternalPointer() {
-  return Type::Intersect(Type::Internal(), Type::UntaggedPointer());
+Type* ExternalPointer(Zone* zone) {
+  return Type::Intersect(Type::Internal(), Type::UntaggedPointer(), zone);
 }
 }
 
 
 Type::FunctionType* CallInterfaceDescriptor::BuildDefaultFunctionType(
     Isolate* isolate, int parameter_count) {
-  Type::FunctionType* function =
-      Type::FunctionType::New(AnyTagged(), Type::Undefined(), parameter_count,
-                              isolate->interface_descriptor_zone());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function = Type::FunctionType::New(
+      AnyTagged(zone), Type::Undefined(), parameter_count, zone);
   while (parameter_count-- != 0) {
-    function->InitParameter(parameter_count, AnyTagged());
+    function->InitParameter(parameter_count, AnyTagged(zone));
   }
   return function;
 }
@@ -76,11 +77,12 @@ const char* CallInterfaceDescriptor::DebugName(Isolate* isolate) const {
 
 Type::FunctionType* LoadDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 3, isolate->interface_descriptor_zone());
-  function->InitParameter(0, AnyTagged());
-  function->InitParameter(1, AnyTagged());
-  function->InitParameter(2, SmiType());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 3, zone);
+  function->InitParameter(0, AnyTagged(zone));
+  function->InitParameter(1, AnyTagged(zone));
+  function->InitParameter(2, SmiType(zone));
   return function;
 }
 
@@ -110,12 +112,13 @@ void StoreTransitionDescriptor::InitializePlatformSpecific(
 Type::FunctionType*
 StoreTransitionDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 4, isolate->interface_descriptor_zone());
-  function->InitParameter(0, AnyTagged());  // Receiver
-  function->InitParameter(1, AnyTagged());  // Name
-  function->InitParameter(2, AnyTagged());  // Value
-  function->InitParameter(3, AnyTagged());  // Map
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 4, zone);
+  function->InitParameter(0, AnyTagged(zone));  // Receiver
+  function->InitParameter(1, AnyTagged(zone));  // Name
+  function->InitParameter(2, AnyTagged(zone));  // Value
+  function->InitParameter(3, AnyTagged(zone));  // Map
   return function;
 }
 
@@ -123,9 +126,10 @@ StoreTransitionDescriptor::BuildCallInterfaceDescriptorFunctionType(
 Type::FunctionType*
 LoadGlobalViaContextDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 1, isolate->interface_descriptor_zone());
-  function->InitParameter(0, UntaggedSigned32());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 1, zone);
+  function->InitParameter(0, UntaggedSigned32(zone));
   return function;
 }
 
@@ -140,10 +144,11 @@ void LoadGlobalViaContextDescriptor::InitializePlatformSpecific(
 Type::FunctionType*
 StoreGlobalViaContextDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 2, isolate->interface_descriptor_zone());
-  function->InitParameter(0, UntaggedSigned32());
-  function->InitParameter(1, AnyTagged());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 2, zone);
+  function->InitParameter(0, UntaggedSigned32(zone));
+  function->InitParameter(1, AnyTagged(zone));
   return function;
 }
 
@@ -193,12 +198,13 @@ void MathPowIntegerDescriptor::InitializePlatformSpecific(
 Type::FunctionType*
 LoadWithVectorDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 4, isolate->interface_descriptor_zone());
-  function->InitParameter(0, AnyTagged());
-  function->InitParameter(1, AnyTagged());
-  function->InitParameter(2, SmiType());
-  function->InitParameter(3, AnyTagged());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 4, zone);
+  function->InitParameter(0, AnyTagged(zone));
+  function->InitParameter(1, AnyTagged(zone));
+  function->InitParameter(2, SmiType(zone));
+  function->InitParameter(3, AnyTagged(zone));
   return function;
 }
 
@@ -214,14 +220,15 @@ void LoadWithVectorDescriptor::InitializePlatformSpecific(
 Type::FunctionType*
 VectorStoreTransitionDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 6, isolate->interface_descriptor_zone());
-  function->InitParameter(0, AnyTagged());  // receiver
-  function->InitParameter(1, AnyTagged());  // name
-  function->InitParameter(2, AnyTagged());  // value
-  function->InitParameter(3, SmiType());    // slot
-  function->InitParameter(4, AnyTagged());  // vector
-  function->InitParameter(5, AnyTagged());  // map
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 6, zone);
+  function->InitParameter(0, AnyTagged(zone));  // receiver
+  function->InitParameter(1, AnyTagged(zone));  // name
+  function->InitParameter(2, AnyTagged(zone));  // value
+  function->InitParameter(3, SmiType(zone));    // slot
+  function->InitParameter(4, AnyTagged(zone));  // vector
+  function->InitParameter(5, AnyTagged(zone));  // map
   return function;
 }
 
@@ -229,13 +236,14 @@ VectorStoreTransitionDescriptor::BuildCallInterfaceDescriptorFunctionType(
 Type::FunctionType*
 VectorStoreICDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 5, isolate->interface_descriptor_zone());
-  function->InitParameter(0, AnyTagged());
-  function->InitParameter(1, AnyTagged());
-  function->InitParameter(2, AnyTagged());
-  function->InitParameter(3, SmiType());
-  function->InitParameter(4, AnyTagged());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 5, zone);
+  function->InitParameter(0, AnyTagged(zone));
+  function->InitParameter(1, AnyTagged(zone));
+  function->InitParameter(2, AnyTagged(zone));
+  function->InitParameter(3, SmiType(zone));
+  function->InitParameter(4, AnyTagged(zone));
   return function;
 }
 
@@ -251,12 +259,13 @@ void VectorStoreICDescriptor::InitializePlatformSpecific(
 Type::FunctionType*
 VectorStoreICTrampolineDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 4, isolate->interface_descriptor_zone());
-  function->InitParameter(0, AnyTagged());
-  function->InitParameter(1, AnyTagged());
-  function->InitParameter(2, AnyTagged());
-  function->InitParameter(3, SmiType());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 4, zone);
+  function->InitParameter(0, AnyTagged(zone));
+  function->InitParameter(1, AnyTagged(zone));
+  function->InitParameter(2, AnyTagged(zone));
+  function->InitParameter(3, SmiType(zone));
   return function;
 }
 
@@ -272,9 +281,10 @@ void VectorStoreICTrampolineDescriptor::InitializePlatformSpecific(
 Type::FunctionType*
 ApiGetterDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 1, isolate->interface_descriptor_zone());
-  function->InitParameter(0, ExternalPointer());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 1, zone);
+  function->InitParameter(0, ExternalPointer(zone));
   return function;
 }
 
@@ -309,11 +319,12 @@ void GrowArrayElementsDescriptor::InitializePlatformSpecific(
 Type::FunctionType*
 FastCloneShallowArrayDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 3, isolate->interface_descriptor_zone());
-  function->InitParameter(0, AnyTagged());
-  function->InitParameter(1, SmiType());
-  function->InitParameter(2, AnyTagged());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 3, zone);
+  function->InitParameter(0, AnyTagged(zone));
+  function->InitParameter(1, SmiType(zone));
+  function->InitParameter(2, AnyTagged(zone));
   return function;
 }
 
@@ -321,10 +332,11 @@ FastCloneShallowArrayDescriptor::BuildCallInterfaceDescriptorFunctionType(
 Type::FunctionType*
 CreateAllocationSiteDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 2, isolate->interface_descriptor_zone());
-  function->InitParameter(0, AnyTagged());
-  function->InitParameter(1, SmiType());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 2, zone);
+  function->InitParameter(0, AnyTagged(zone));
+  function->InitParameter(1, SmiType(zone));
   return function;
 }
 
@@ -332,11 +344,12 @@ CreateAllocationSiteDescriptor::BuildCallInterfaceDescriptorFunctionType(
 Type::FunctionType*
 CreateWeakCellDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 3, isolate->interface_descriptor_zone());
-  function->InitParameter(0, AnyTagged());
-  function->InitParameter(1, SmiType());
-  function->InitParameter(2, AnyTagged());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 3, zone);
+  function->InitParameter(0, AnyTagged(zone));
+  function->InitParameter(1, SmiType(zone));
+  function->InitParameter(2, AnyTagged(zone));
   return function;
 }
 
@@ -344,10 +357,11 @@ CreateWeakCellDescriptor::BuildCallInterfaceDescriptorFunctionType(
 Type::FunctionType*
 CallFunctionWithFeedbackDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 2, isolate->interface_descriptor_zone());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 2, zone);
   function->InitParameter(0, Type::Receiver());  // JSFunction
-  function->InitParameter(1, SmiType());
+  function->InitParameter(1, SmiType(zone));
   return function;
 }
 
@@ -355,11 +369,12 @@ CallFunctionWithFeedbackDescriptor::BuildCallInterfaceDescriptorFunctionType(
 Type::FunctionType* CallFunctionWithFeedbackAndVectorDescriptor::
     BuildCallInterfaceDescriptorFunctionType(Isolate* isolate,
                                              int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 3, isolate->interface_descriptor_zone());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 3, zone);
   function->InitParameter(0, Type::Receiver());  // JSFunction
-  function->InitParameter(1, SmiType());
-  function->InitParameter(2, AnyTagged());
+  function->InitParameter(1, SmiType(zone));
+  function->InitParameter(2, AnyTagged(zone));
   return function;
 }
 
@@ -367,11 +382,12 @@ Type::FunctionType* CallFunctionWithFeedbackAndVectorDescriptor::
 Type::FunctionType*
 ArrayConstructorDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 3, isolate->interface_descriptor_zone());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 3, zone);
   function->InitParameter(0, Type::Receiver());  // JSFunction
-  function->InitParameter(1, AnyTagged());
-  function->InitParameter(2, UntaggedSigned32());
+  function->InitParameter(1, AnyTagged(zone));
+  function->InitParameter(2, UntaggedSigned32(zone));
   return function;
 }
 
@@ -379,10 +395,11 @@ ArrayConstructorDescriptor::BuildCallInterfaceDescriptorFunctionType(
 Type::FunctionType*
 InternalArrayConstructorDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 2, isolate->interface_descriptor_zone());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 2, zone);
   function->InitParameter(0, Type::Receiver());  // JSFunction
-  function->InitParameter(1, UntaggedSigned32());
+  function->InitParameter(1, UntaggedSigned32(zone));
   return function;
 }
 
@@ -390,12 +407,15 @@ InternalArrayConstructorDescriptor::BuildCallInterfaceDescriptorFunctionType(
 Type::FunctionType*
 ArgumentAdaptorDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 3, isolate->interface_descriptor_zone());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 3, zone);
   function->InitParameter(0, Type::Receiver());    // JSFunction
-  function->InitParameter(1, UntaggedSigned32());  // actual number of arguments
-  function->InitParameter(2,
-                          UntaggedSigned32());  // expected number of arguments
+  function->InitParameter(
+      1, UntaggedSigned32(zone));  // actual number of arguments
+  function->InitParameter(
+      2,
+      UntaggedSigned32(zone));  // expected number of arguments
   return function;
 }
 
@@ -403,13 +423,15 @@ ArgumentAdaptorDescriptor::BuildCallInterfaceDescriptorFunctionType(
 Type::FunctionType*
 ApiFunctionDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 5, isolate->interface_descriptor_zone());
-  function->InitParameter(0, AnyTagged());         // callee
-  function->InitParameter(1, AnyTagged());         // call_data
-  function->InitParameter(2, AnyTagged());         // holder
-  function->InitParameter(3, ExternalPointer());   // api_function_address
-  function->InitParameter(4, UntaggedSigned32());  // actual number of arguments
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 5, zone);
+  function->InitParameter(0, AnyTagged(zone));        // callee
+  function->InitParameter(1, AnyTagged(zone));        // call_data
+  function->InitParameter(2, AnyTagged(zone));        // holder
+  function->InitParameter(3, ExternalPointer(zone));  // api_function_address
+  function->InitParameter(
+      4, UntaggedSigned32(zone));  // actual number of arguments
   return function;
 }
 
@@ -417,12 +439,13 @@ ApiFunctionDescriptor::BuildCallInterfaceDescriptorFunctionType(
 Type::FunctionType*
 ApiAccessorDescriptor::BuildCallInterfaceDescriptorFunctionType(
     Isolate* isolate, int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 4, isolate->interface_descriptor_zone());
-  function->InitParameter(0, AnyTagged());        // callee
-  function->InitParameter(1, AnyTagged());        // call_data
-  function->InitParameter(2, AnyTagged());        // holder
-  function->InitParameter(3, ExternalPointer());  // api_function_address
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 4, zone);
+  function->InitParameter(0, AnyTagged(zone));        // callee
+  function->InitParameter(1, AnyTagged(zone));        // call_data
+  function->InitParameter(2, AnyTagged(zone));        // holder
+  function->InitParameter(3, ExternalPointer(zone));  // api_function_address
   return function;
 }
 
@@ -430,12 +453,13 @@ ApiAccessorDescriptor::BuildCallInterfaceDescriptorFunctionType(
 Type::FunctionType* MathRoundVariantCallFromUnoptimizedCodeDescriptor::
     BuildCallInterfaceDescriptorFunctionType(Isolate* isolate,
                                              int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 4, isolate->interface_descriptor_zone());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 4, zone);
   function->InitParameter(0, Type::Receiver());
-  function->InitParameter(1, SmiType());
-  function->InitParameter(2, AnyTagged());
-  function->InitParameter(3, AnyTagged());
+  function->InitParameter(1, SmiType(zone));
+  function->InitParameter(2, AnyTagged(zone));
+  function->InitParameter(3, AnyTagged(zone));
   return function;
 }
 
@@ -443,13 +467,14 @@ Type::FunctionType* MathRoundVariantCallFromUnoptimizedCodeDescriptor::
 Type::FunctionType* MathRoundVariantCallFromOptimizedCodeDescriptor::
     BuildCallInterfaceDescriptorFunctionType(Isolate* isolate,
                                              int paramater_count) {
-  Type::FunctionType* function = Type::FunctionType::New(
-      AnyTagged(), Type::Undefined(), 5, isolate->interface_descriptor_zone());
+  Zone* zone = isolate->interface_descriptor_zone();
+  Type::FunctionType* function =
+      Type::FunctionType::New(AnyTagged(zone), Type::Undefined(), 5, zone);
   function->InitParameter(0, Type::Receiver());
-  function->InitParameter(1, SmiType());
-  function->InitParameter(2, AnyTagged());
-  function->InitParameter(3, AnyTagged());
-  function->InitParameter(4, AnyTagged());
+  function->InitParameter(1, SmiType(zone));
+  function->InitParameter(2, AnyTagged(zone));
+  function->InitParameter(3, AnyTagged(zone));
+  function->InitParameter(4, AnyTagged(zone));
   return function;
 }
 }  // namespace internal

src/types.h

@@ -431,12 +431,6 @@ class TypeImpl : public Config::Base {
 
   static TypeHandle Union(TypeHandle type1, TypeHandle type2, Region* reg);
   static TypeHandle Intersect(TypeHandle type1, TypeHandle type2, Region* reg);
-  static TypeImpl* Union(TypeImpl* type1, TypeImpl* type2) {
-    return BitsetType::New(type1->AsBitset() | type2->AsBitset());
-  }
-  static TypeImpl* Intersect(TypeImpl* type1, TypeImpl* type2) {
-    return BitsetType::New(type1->AsBitset() & type2->AsBitset());
-  }
 
   static TypeHandle Of(double value, Region* region) {
     return Config::from_bitset(BitsetType::Lub(value), region);

test/cctest/compiler/test-simplified-lowering.cc

@@ -1452,8 +1452,10 @@ TEST(LowerStoreField_to_store) {
     }
   }
   {
-    TestingGraph t(Type::Any(),
-                   Type::Intersect(Type::SignedSmall(), Type::TaggedSigned()));
+    HandleAndZoneScope scope;
+    Zone* z = scope.main_zone();
+    TestingGraph t(Type::Any(), Type::Intersect(Type::SignedSmall(),
+                                                Type::TaggedSigned(), z));
     FieldAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize,
                           Handle<Name>::null(), Type::Any(), kMachAnyTagged};
     Node* store = t.graph()->NewNode(t.simplified()->StoreField(access), t.p0,
@@ -1515,8 +1517,11 @@ TEST(LowerStoreElement_to_store) {
     }
   }
   {
-    TestingGraph t(Type::Any(), Type::Signed32(),
-                   Type::Intersect(Type::SignedSmall(), Type::TaggedSigned()));
+    HandleAndZoneScope scope;
+    Zone* z = scope.main_zone();
+    TestingGraph t(
+        Type::Any(), Type::Signed32(),
+        Type::Intersect(Type::SignedSmall(), Type::TaggedSigned(), z));
     ElementAccess access = {kTaggedBase, FixedArrayBase::kHeaderSize,
                             Type::Any(), kMachAnyTagged};
     Node* store = t.graph()->NewNode(t.simplified()->StoreElement(access), t.p0,