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-rw-r--r--Userland/Libraries/LibJS/Runtime/WeakMap.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/Userland/Libraries/LibJS/Runtime/WeakMap.h b/Userland/Libraries/LibJS/Runtime/WeakMap.h
index 18a6b74305..2f7c01b2d1 100644
--- a/Userland/Libraries/LibJS/Runtime/WeakMap.h
+++ b/Userland/Libraries/LibJS/Runtime/WeakMap.h
@@ -30,6 +30,8 @@ public:
virtual void remove_swept_cells(Badge<Heap>, Span<Cell*>) override;
private:
+ virtual void did_become_zombie() override { deregister(); }
+
HashMap<Cell*, Value> m_values; // This stores Cell pointers instead of Object pointers to aide with sweeping
};