Expand generic type whitelist for function application checks

lib/runtime/dart/_operations.js

 // 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.
  */
 dart_library.library('dart/_operations', null, /* Imports */[
 ], /* Lazy Imports */[
   'dart/_utils',
@@ skipping 167 matching lines @@
         isSubtype(type, async.Stream) && isSubtype(actual, async.Stream) ||
         isSubtype(type, async.StreamSubscription) &&
             isSubtype(actual, async.StreamSubscription)) {
       console.warn('Ignoring cast fail from ' + types.typeName(actual) +
         ' to ' + types.typeName(type));
       return true;
     }
     return false;
   }
 
-  function strongInstanceOf(obj, type) {
+  function strongInstanceOf(obj, type, ignoreFromWhiteList) {
     let actual = rtti.realRuntimeType(obj);
-    return types.isSubtype(actual, type) || actual == types.jsobject;
+    if (types.isSubtype(actual, type) || actual == types.jsobject) return true;
+    if (ignoreFromWhiteList == void 0) return false;
+    if (types.isGroundType(type)) return false;
+    if (_ignoreTypeFailure(actual, type)) return true;
+    return false;
   }
   exports.strongInstanceOf = strongInstanceOf;
 
   function instanceOfOrNull(obj, type) {
-    if ((obj == null) || strongInstanceOf(obj, type)) return true;
+    if ((obj == null) || strongInstanceOf(obj, type, true)) return true;
     return false;
   }
 
   function instanceOf(obj, type) {
     if (strongInstanceOf(obj, type)) return true;
     // TODO(#296): This is perhaps too eager to throw a StrongModeError?
     // It will throw on <int>[] is List<String>.
     // TODO(vsm): We can statically detect many cases where this
     // check is unnecessary.
     if (types.isGroundType(type)) return false;
@@ skipping 12 matching lines @@
     if (types.isGroundType(type)) errors.throwCastError(actual, type);
 
     if (_ignoreTypeFailure(actual, type)) return obj;
 
     dart_utils.throwStrongModeError('Strong mode cast failure from ' +
       types.typeName(actual) + ' to ' + types.typeName(type));
   }
   exports.cast = cast;
 
   function asInt(obj) {
+    if (obj == null) {

[vsm, 2015/12/01 23:52:14]

This is an unrelated fix.

+      return null;
+    }
     if (Math.floor(obj) != obj) {
       // Note: null will also be caught by this check
       errors.throwCastError(rtti.realRuntimeType(obj), core.int);
     }
     return obj;
   }
   exports.asInt = asInt;
 
   function arity(f) {
     // TODO(jmesserly): need to parse optional params.
@@ skipping 210 matching lines @@
     next() {
       let i = this.dartIterator;
       let done = !i.moveNext();
       return { done: done, value: done ? void 0 : i.current };
     }
   }
   exports.JsIterator = JsIterator;
 
 
 });