- Remove support for ">>>" operator.

vm/ast.cc

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/ast.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
 #include "vm/isolate.h"
 #include "vm/object_store.h"
 
@@ skipping 148 matching lines @@
     case Token::kMUL:
     case Token::kDIV:
     case Token::kTRUNCDIV:
     case Token::kMOD:
     case Token::kOR:
     case Token::kAND:
     case Token::kBIT_OR:
     case Token::kBIT_XOR:
     case Token::kBIT_AND:
     case Token::kSHL:
-    case Token::kSAR:
     case Token::kSHR:
       return true;
     default:
       return false;
   }
 }
 
 
 const char* BinaryOpNode::Name() const {
   return Token::Str(kind_);
@@ skipping 39 matching lines @@
       } else if (left_val->IsNumber() &&
                  right_val->IsNumber()) {
         return left_val;
       }
       return NULL;
     case Token::kTRUNCDIV:
     case Token::kBIT_OR:
     case Token::kBIT_XOR:
     case Token::kBIT_AND:
     case Token::kSHL:
-    case Token::kSAR:
     case Token::kSHR:
       if (left_val->IsInteger() &&
           right_val->IsInteger()) {
         return right_val;
       }
       return NULL;
     case Token::kOR:
     case Token::kAND:
       if (left_val->IsBool() && right_val->IsBool()) {
         return left_val;
@@ skipping 207 matching lines @@
   if (field_value.IsUnhandledException()) {
     return NULL;
   }
   if (!field_value.IsNull()) {
     return &field_value;
   }
   return NULL;
 }
 
 }  // namespace dart