Reland of [turbofan] Introduce proper JSCreateLiteralRegExp operator.

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 1215 matching lines @@
   return Type::OtherObject();
 }
 
 
 Type* Typer::Visitor::TypeJSCreateClosure(Node* node) {
   return Type::OtherObject();
 }
 
 
 Type* Typer::Visitor::TypeJSCreateLiteralArray(Node* node) {
-  return Type::None(), Type::OtherObject();
+  return Type::OtherObject();
 }
 
 
 Type* Typer::Visitor::TypeJSCreateLiteralObject(Node* node) {
   return Type::OtherObject();
 }
 
+
+Type* Typer::Visitor::TypeJSCreateLiteralRegExp(Node* node) {
+  return Type::OtherObject();
+}
+
 
 Type* Typer::Visitor::JSLoadPropertyTyper(Type* object, Type* name, Typer* t) {
   // TODO(rossberg): Use range types and sized array types to filter undefined.
   if (object->IsArray() && name->Is(Type::Integral32())) {
     return Type::Union(
         object->AsArray()->Element(), Type::Undefined(), t->zone());
   }
   return Type::Any();
 }
 
@@ skipping 1107 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