Don't use %p when generating disassembly in vm service.

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;
 
 /// Helper function for canceling a Future<StreamSubscription>.
 Future cancelFutureSubscription(
     Future<StreamSubscription> subscriptionFuture) async {
   if (subscriptionFuture != null) {
@@ skipping 3339 matching lines @@
     instructionsByAddressOffset = new List(endAddress - startAddress);
 
     assert((disassembly.length % 3) == 0);
     for (var i = 0; i < disassembly.length; i += 3) {
       var address = 0;  // Assume code comment.
       var machine = disassembly[i + 1];
       var human = disassembly[i + 2];
       var pcOffset = 0;
       if (disassembly[i] != '') {
         // Not a code comment, extract address.
-        address = int.parse(disassembly[i]);
+        address = int.parse(disassembly[i], radix:16);
         pcOffset = address - startAddress;
       }
       var instruction = new CodeInstruction(address, pcOffset, machine, human);
       instructions.add(instruction);
       if (disassembly[i] != '') {
         // Not a code comment.
         instructionsByAddressOffset[pcOffset] = instruction;
       }
     }
     for (var instruction in instructions) {
@@ skipping 321 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);
     }
   }
 }