Verified Commit eee76175 authored by Iain Ireland's avatar Iain Ireland Committed by ma1
Browse files

Bug 1989978: Don't support unwritable iterator indices a=RyanVM 

Original Revision: https://phabricator.services.mozilla.com/D266023

Differential Revision: https://phabricator.services.mozilla.com/D266473
parent 81256076

js/src/vm/Iteration.cpp

+1 −1
Original line number Diff line number Diff line
@@ -438,7 +438,7 @@ bool PropertyEnumerator::enumerateNativeProperties(JSContext* cx) { 
        continue;

      }



      PropertyIndex index = iter->isDataProperty()

      PropertyIndex index = iter->isDataProperty() && iter->writable()

                                ? PropertyIndex::ForSlot(pobj, iter->slot())

                                : PropertyIndex::Invalid();

      if (!enumerate<CheckForDuplicates>(cx, id, iter->enumerable(), index)) {