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[js] Avoid potential crash if GC cell is no longer valid.

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Moonchild 2024-11-23 13:54:29 +01:00 • committed by roytam1
commit 6c6ab6de1a
1 changed files with 1 additions and 1 deletions
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2
js/src/jsgc.cpp
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@ -7138,7 +7138,7 @@ JS_PUBLIC_API(bool)
js::gc::detail::CellIsMarkedGrayIfKnown(const Cell* cell)
{
MOZ_ASSERT(cell);
if (!cell->isTenured())
if (!cell || !cell->isTenured())
return false;
// We ignore the gray marking state of cells and return false in two cases: