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[gc][static-roots] Fix one remaining access to r/o markbits

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Yet another access to the markbits on the r/o pages that was overlooked
in https://chromium-review.googlesource.com/c/v8/v8/+/4212397.

No-Tree-Checks: true
No-Try: true
Bug: v8:13717
Change-Id: I682a2604512dfda00b3f69d0e1f60edd66391687
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4221702
Commit-Queue: Olivier Flückiger <olivf@chromium.org>
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Auto-Submit: Olivier Flückiger <olivf@chromium.org>
Cr-Commit-Position: refs/heads/main@{#85672}
This commit is contained in:
Olivier Flückiger 2023-02-06 12:19:45 +01:00 committed by V8 LUCI CQ
parent 65a0aaab04
commit 229f91a339
1 changed files with 1 additions and 0 deletions
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1
src/heap/mark-compact.cc
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@ -2073,6 +2073,7 @@ bool MarkCompactCollector::IsUnmarkedHeapObject(Heap* heap, FullObjectSlot p) {
Object o = *p;
if (!o.IsHeapObject()) return false;
HeapObject heap_object = HeapObject::cast(o);
if (heap_object.InReadOnlySpace()) return false;
MarkCompactCollector* collector = heap->mark_compact_collector();
if (V8_UNLIKELY(collector->uses_shared_heap_) &&
!collector->is_shared_heap_isolate_) {