Allocate generic types in new-space before canonicalizing.

runtime/vm/debugger_api_impl.cc

 // 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.
 
 #include "include/dart_tools_api.h"
 
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
@@ skipping 588 matching lines @@
     return Api::NewHandle(
         T, cls.Evaluate(expr, Array::empty_array(), Array::empty_array()));
   }
   return Api::NewError("%s: unsupported target type", CURRENT_FUNC);
 }
 
 
 DART_EXPORT Dart_Handle Dart_GetObjClass(Dart_Handle object_in) {
   DARTSCOPE(Thread::Current());
   UNWRAP_AND_CHECK_PARAM(Instance, obj, object_in);
-  return Api::NewHandle(T, obj.GetType());
+  return Api::NewHandle(T, obj.GetType(Heap::kNew));
 }
 
 
 DART_EXPORT Dart_Handle Dart_GetObjClassId(Dart_Handle object_in,
                                            intptr_t* class_id) {
   DARTSCOPE(Thread::Current());
   UNWRAP_AND_CHECK_PARAM(Instance, obj, object_in);
   CHECK_NOT_NULL(class_id);
   *class_id = obj.GetClassId();
   return Api::Success();
@@ skipping 361 matching lines @@
 
 #else
 
 DART_EXPORT void Dart_SetPausedEventHandler(Dart_PausedEventHandler handler) {
   // NOOP.
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart