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-rw-r--r--js/src/gc/Zone.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/js/src/gc/Zone.h b/js/src/gc/Zone.h
index 50d06319d..c8520ed55 100644
--- a/js/src/gc/Zone.h
+++ b/js/src/gc/Zone.h
@@ -349,10 +349,17 @@ struct Zone : public JS::shadow::Zone,
// Keep track of all TypeDescr and related objects in this compartment.
// This is used by the GC to trace them all first when compacting, since the
// TypedObject trace hook may access these objects.
- using TypeDescrObjectSet = js::GCHashSet<js::HeapPtr<JSObject*>,
- js::MovableCellHasher<js::HeapPtr<JSObject*>>,
+
+ //
+ // There are no barriers here - the set contains only tenured objects so no
+ // post-barrier is required, and these are weak references so no pre-barrier
+ // is required.
+ using TypeDescrObjectSet = js::GCHashSet<JSObject*,
+ js::MovableCellHasher<JSObject*>,
js::SystemAllocPolicy>;
JS::WeakCache<TypeDescrObjectSet> typeDescrObjects;
+
+ bool addTypeDescrObject(JSContext* cx, HandleObject obj);
// Malloc counter to measure memory pressure for GC scheduling. It runs from