Basic support for tracking smi-only arrays on ia32.

src/liveobjectlist.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1318 matching lines @@
   Handle<String> first_sym = factory->LookupAsciiSymbol("first_index");
   maybe_result = body->SetProperty(*first_sym,
                                    Smi::FromInt(start),
                                    NONE,
                                    kNonStrictMode);
   if (maybe_result->IsFailure()) return maybe_result;
 
   // Allocate the JSArray of the elements.
   Handle<JSObject> elements = factory->NewJSObject(isolate->array_function());
   if (elements->IsFailure()) return Object::cast(*elements);
-  Handle<JSArray>::cast(elements)->SetContent(*elements_arr);
+
+  maybe_result = Handle<JSArray>::cast(elements)->SetContent(*elements_arr);
+  if (maybe_result->IsFailure()) return maybe_result;
 
   // Set body.elements.
   Handle<String> elements_sym = factory->LookupAsciiSymbol("elements");
   maybe_result = body->SetProperty(*elements_sym,
                                    *elements,
                                    NONE,
                                    kNonStrictMode);
   if (maybe_result->IsFailure()) return maybe_result;
 
   return *body;
@@ skipping 105 matching lines @@
       if (maybe_result->IsFailure()) return maybe_result;
 
       summary_arr->set(idx++, *detail);
     }
   }
 
   // Wrap the summary fixed array in a JS array.
   Handle<JSObject> summary_obj =
     factory->NewJSObject(isolate->array_function());
   if (summary_obj->IsFailure()) return Object::cast(*summary_obj);
-  Handle<JSArray>::cast(summary_obj)->SetContent(*summary_arr);
+
+  maybe_result = Handle<JSArray>::cast(summary_obj)->SetContent(*summary_arr);
+  if (maybe_result->IsFailure()) return maybe_result;
 
   // Create the body object.
   Handle<JSObject> body = factory->NewJSObject(isolate->object_function());
   if (body->IsFailure()) return Object::cast(*body);
 
   // Fill out the body object.
   int total_count = summary.total_count();
   int total_size = summary.total_size();
   maybe_result = body->SetProperty(*count_sym,
                                    Smi::FromInt(total_count),
@@ skipping 106 matching lines @@
                                          kNonStrictMode);
       if (maybe_result->IsFailure()) return maybe_result;
       list->set(idx++, *detail);
       dump_limit--;
     }
     lol = lol->next();
   }
 
   // Return the result as a JS array.
   Handle<JSObject> lols = factory->NewJSObject(isolate->array_function());
-  Handle<JSArray>::cast(lols)->SetContent(*list);
+
+  maybe_result = Handle<JSArray>::cast(lols)->SetContent(*list);
+  if (maybe_result->IsFailure()) return maybe_result;
 
   Handle<JSObject> result = factory->NewJSObject(isolate->object_function());
   if (result->IsFailure()) return Object::cast(*result);
 
   maybe_result = result->SetProperty(*count_sym,
                                      Smi::FromInt(total_count),
                                      NONE,
                                      kNonStrictMode);
   if (maybe_result->IsFailure()) return maybe_result;
 
@@ skipping 1013 matching lines @@
                 i++, heap_obj, Heap::new_space()->FromSpaceStart());
     }
   }
 }
 #endif  // VERIFY_LOL
 
 
 } }  // namespace v8::internal
 
 #endif  // LIVE_OBJECT_LIST