BREAKING CHANGE: Remove === and !== in the VM compiler

runtime/vm/scanner.cc

 // Copyright (c) 2012, 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/scanner.h"
 
 #include "platform/assert.h"
 #include "vm/flags.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
@@ skipping 733 matching lines @@
         if (c0_ == '=') {
           Recognize(Token::kGTE);
         } else if (c0_ == '>') {
           Recognize(Token::kSHR);
           if (c0_ == '=') {
             Recognize(Token::kASSIGN_SHR);
           }
         }
         break;
 
-      case '!':  // !  !=  !==
+      case '!':  // !  !=
         Recognize(Token::kNOT);
         if (c0_ == '=') {
           Recognize(Token::kNE);
-          if (c0_ == '=') {
-            Recognize(Token::kNE_STRICT);
-          }
         }
         break;
 
       case '~':
         Recognize(Token::kBIT_NOT);
         if (c0_ == '/') {
           Recognize(Token::kTRUNCDIV);
           if (c0_ == '=') {
             Recognize(Token::kASSIGN_TRUNCDIV);
           }
         }
         break;
 
-      case '=':  // =  ==  ===  =>
+      case '=':  // =  ==  =>
         Recognize(Token::kASSIGN);
         if (c0_ == '=') {
           Recognize(Token::kEQ);
-          if (c0_ == '=') {
-            Recognize(Token::kEQ_STRICT);
-          }
         } else if (c0_ == '>') {
           Recognize(Token::kARROW);
         }
         break;
 
       case '.':  // .  ..  Number
         Recognize(Token::kPERIOD);
         if (c0_ == '.') {
           Recognize(Token::kCASCADE);
         } else if (IsDecimalDigit(c0_)) {
@@ skipping 176 matching lines @@
               "%c%#"Px"", kPrivateKeySeparator, key_value);
   const String& result = String::Handle(String::New(private_key, Heap::kOld));
   return result.raw();
 }
 
 
 void Scanner::InitOnce() {
 }
 
 }  // namespace dart