Improve behaviour when we hit a stack overflow / OOM error

runtime/observatory/lib/src/service/object.dart

 // Copyright (c) 2014, 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.
 
 part of service;
 
 // Some value smaller than the object ring, so requesting a large array
 // doesn't result in an expired ref because the elements lapped it in the
 // object ring.
 const int kDefaultFieldLimit = 100;
@@ skipping 2307 matching lines @@
   bool get isSimdValue {
     return kind == 'Float32x4'
         || kind == 'Float64x2'
         || kind == 'Int32x4';
   }
   bool get isRegExp => kind == 'RegExp';
   bool get isMirrorReference => kind == 'MirrorReference';
   bool get isWeakProperty => kind == 'WeakProperty';
   bool get isClosure => kind == 'Closure';
   bool get isStackTrace => kind == 'StackTrace';
+  bool get isStackOverflowError => clazz.name == 'StackOverflowError';

[rmacnak, 2016/02/22 17:55:27]

And library is dart:core.

[Cutch, 2016/02/22 18:38:17]

Done.

+  bool get isOutOfMemoryError => clazz.name == 'OutOfMemoryError';
 
   // TODO(turnidge): Is this properly backwards compatible when new
   // instance kinds are added?
   bool get isPlainInstance => kind == 'PlainInstance';
 
   Instance._empty(ServiceObjectOwner owner) : super._empty(owner);
 
   void _update(ObservableMap map, bool mapIsRef) {
     // Extract full properties.
     _upgradeCollection(map, isolate);
@@ skipping 1638 matching lines @@
     var v = list[i];
     if ((v is ObservableMap) && _isServiceMap(v)) {
       list[i] = owner.getFromMap(v);
     } else if (v is ObservableList) {
       _upgradeObservableList(v, owner);
     } else if (v is ObservableMap) {
       _upgradeObservableMap(v, owner);
     }
   }
 }