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Fix UB when downcasting null pointers, use pointer_trait' specialized function

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Ion Gaztañaga
2023-05-02 22:42:29 +02:00
parent f11301c5b5
commit fc46064c29
1 changed files with 1 additions and 1 deletions
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include/boost/intrusive/hashtable.hpp
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@ -591,7 +591,7 @@ inline typename pointer_traits<SlistNodePtr>::template rebind_pointer<Node>::typ
dcast_bucket_ptr(const SlistNodePtr &p) dcast_bucket_ptr(const SlistNodePtr &p)
{ {
typedef typename pointer_traits<SlistNodePtr>::template rebind_pointer<Node>::type node_ptr; typedef typename pointer_traits<SlistNodePtr>::template rebind_pointer<Node>::type node_ptr;
return pointer_traits<node_ptr>::pointer_to(static_cast<Node&>(*p)); return pointer_traits<node_ptr>::static_cast_from(p);
} }
template<class NodeTraits> template<class NodeTraits>