Support for dart:typed_data

tool/input_sdk/private/operations.dart

 // Copyright (c) 2015, 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.
 
 /// This library defines runtime operations on objects used by the code
 /// generator.
 part of dart._runtime;
 
 _canonicalFieldName(obj, name, args, displayName) => JS('', '''(() => {
   $name = $canonicalMember($obj, $name);
@@ skipping 147 matching lines @@
           isSubtype($actual, $StreamSubscription)) {
     console.warn('Ignoring cast fail from ' + $typeName($actual) +
       ' to ' + $typeName($type));
     return true;
   }
   return false;
 })()''');
 
 strongInstanceOf(obj, type, ignoreFromWhiteList) => JS('', '''(() => {
   let actual = $realRuntimeType($obj);
-  if ($isSubtype(actual, $type) || actual == $jsobject) return true;
+  if ($isSubtype(actual, $type) || actual == $jsobject ||
+      actual == $int && type == $double) return true;
   if ($ignoreFromWhiteList == void 0) return false;
   if ($isGroundType($type)) return false;
   if ($_ignoreTypeFailure(actual, $type)) return true;
   return false;
 })()''');
 
 instanceOfOrNull(obj, type) => JS('', '''(() => {
   if (($obj == null) || $strongInstanceOf($obj, $type, true)) return true;
   return false;
 })()''');
@@ skipping 242 matching lines @@
     constructor(dartIterator) {
       this.dartIterator = dartIterator;
     }
     next() {
       let i = this.dartIterator;
       let done = !i.moveNext();
       return { done: done, value: done ? void 0 : i.current };
     }
   }
 ''');