[compiler] Remove obsolete JSYield 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 1507 matching lines @@
 
 
 Type* Typer::Visitor::TypeJSCreateScriptContext(Node* node) {
   return WrapContextTypeForInput(node);
 }
 
 
 // JS other operators.
 
 
-Type* Typer::Visitor::TypeJSYield(Node* node) { return Type::Any(); }
-
-
 Type* Typer::Visitor::TypeJSCallConstruct(Node* node) {
   return Type::Receiver();
 }
 
 
 Type* Typer::Visitor::JSCallFunctionTyper(Type* fun, Typer* t) {
   if (fun->IsFunction()) {
     return fun->AsFunction()->Result();
   }
   if (fun->IsConstant() && fun->AsConstant()->Value()->IsJSFunction()) {
@@ skipping 1032 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