[turbofan] Add support for CreateIterResultObject.

src/compiler/access-builder.cc

Index: src/compiler/access-builder.cc
diff --git a/src/compiler/access-builder.cc b/src/compiler/access-builder.cc
index 273b9ca8461fb8302d54d521fc9efc424ae12754..57cfc95a1bf7cd74a2c7c7b0fab76762e251cd06 100644
--- a/src/compiler/access-builder.cc
+++ b/src/compiler/access-builder.cc
@@ -129,6 +129,24 @@ FieldAccess AccessBuilder::ForJSDateField(JSDate::FieldIndex index) {
 
 
 // static
+FieldAccess AccessBuilder::ForJSIteratorResultDone() {
+  FieldAccess access = {kTaggedBase, JSIteratorResult::kDoneOffset,
+                        MaybeHandle<Name>(), Type::Any(),
+                        MachineType::AnyTagged()};
+  return access;
+}
+
+
+// static
+FieldAccess AccessBuilder::ForJSIteratorResultValue() {
+  FieldAccess access = {kTaggedBase, JSIteratorResult::kValueOffset,
+                        MaybeHandle<Name>(), Type::Any(),
+                        MachineType::AnyTagged()};
+  return access;
+}
+
+
+// static
 FieldAccess AccessBuilder::ForJSRegExpFlags() {
   FieldAccess access = {kTaggedBase, JSRegExp::kFlagsOffset,
                         MaybeHandle<Name>(), Type::Tagged(),