[turbofan] Add support for CreateIterResultObject.

src/compiler/typer.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/typer.h"
 
 #include "src/base/flags.h"
 #include "src/bootstrapper.h"
 #include "src/compilation-dependencies.h"
 #include "src/compiler/common-operator.h"
@@ skipping 1203 matching lines @@
 Type* Typer::Visitor::TypeJSCreateArray(Node* node) {
   return Type::OtherObject();
 }
 
 
 Type* Typer::Visitor::TypeJSCreateClosure(Node* node) {
   return Type::Function();
 }
 
 
+Type* Typer::Visitor::TypeJSCreateIterResultObject(Node* node) {
+  return Type::OtherObject();
+}
+
+
 Type* Typer::Visitor::TypeJSCreateLiteralArray(Node* node) {
   return Type::OtherObject();
 }
 
 
 Type* Typer::Visitor::TypeJSCreateLiteralObject(Node* node) {
   return Type::OtherObject();
 }
 
 
@@ skipping 322 matching lines @@
     case Runtime::kInlineDateField:
     case Runtime::kInlineMathFloor:
     case Runtime::kInlineMathSqrt:
     case Runtime::kInlineMathAcos:
     case Runtime::kInlineMathAsin:
     case Runtime::kInlineMathAtan:
     case Runtime::kInlineMathAtan2:
       return Type::Number();
     case Runtime::kInlineMathClz32:
       return Type::Range(0, 32, zone());
+    case Runtime::kInlineCreateIterResultObject:
     case Runtime::kInlineRegExpConstructResult:
       return Type::OtherObject();
     case Runtime::kInlineSubString:
       return Type::String();
     case Runtime::kInlineToInteger:
       return TypeUnaryOp(node, ToInteger);
     case Runtime::kInlineToLength:
       return TypeUnaryOp(node, ToLength);
     case Runtime::kInlineToName:
       return TypeUnaryOp(node, ToName);
@@ skipping 835 matching lines @@
   }
   if (Type::IsInteger(*value)) {
     return Type::Range(value->Number(), value->Number(), zone());
   }
   return Type::Constant(value, zone());
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8