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hardened unchecked_rehash against exceptions thrown in the middle of value move construction

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joaquintides
2022-10-18 16:18:05 +02:00
parent 2290375515
commit c76f44a8b3
1 changed files with 4 additions and 1 deletions
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5
include/boost/unordered/detail/foa.hpp
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@ -1627,8 +1627,11 @@ private:
std::size_t num_tx=0;
BOOST_TRY{
for_all_elements([&,this](value_type* p){
nosize_transfer_element(p,new_arrays_);
/* We increment num_tx *before* actual transfer to guard us against
* exceptions thrown in the middle of value move construction.
*/
++num_tx;
nosize_transfer_element(p,new_arrays_);
});
}
BOOST_CATCH(...){