Ensure the ByteArray subtypes are known to implement List.

runtime/vm/raw_object.h

 // 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.
 
 #ifndef VM_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 #include "vm/token.h"
@@ skipping 1464 matching lines @@
   return (index == kExternalOneByteString ||
           index == kExternalTwoByteString ||
           index == kExternalFourByteString);
 }
 
 inline bool RawObject::IsBuiltinListClassId(intptr_t index) {
   // Make sure this function is updated when new builtin List types are added.
   ASSERT(kImmutableArray == kArray + 1 &&
          kGrowableObjectArray == kArray + 2 &&
          kByteArray == kArray + 3);
-  return (index >= kArray && index < kByteArray);
+  return (index >= kArray && index < kByteArray) || IsByteArrayClassId(index);
 }
 
 inline bool RawObject::IsByteArrayClassId(intptr_t index) {
   // Make sure this function is updated when new ByteArray types are added.
   ASSERT(kInt8Array == kByteArray + 1 &&
          kUint8Array == kByteArray + 2 &&
          kInt16Array == kByteArray + 3 &&
          kUint16Array == kByteArray + 4 &&
          kInt32Array == kByteArray + 5 &&
          kUint32Array == kByteArray + 6 &&
@@ skipping 11 matching lines @@
          kExternalUint64Array == kByteArray + 18 &&
          kExternalFloat32Array == kByteArray + 19 &&
          kExternalFloat64Array == kByteArray + 20 &&
          kClosure == kByteArray + 21);
   return (index >= kByteArray && index <= kClosure);
 }
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_