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fixed UB with begin when using fast iteration

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joaquintides
2023-03-06 13:50:25 +01:00
parent bd08e49255
commit c50461528c
1 changed files with 1 additions and 1 deletions
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2
include/boost/unordered/detail/foa.hpp
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@ -1457,7 +1457,7 @@ public:
iterator begin()noexcept iterator begin()noexcept
{ {
iterator it{arrays.groups,0,arrays.elements}; iterator it{arrays.groups,0,arrays.elements};
if(!(arrays.groups[0].match_occupied()&0x1))++it; if(arrays.elements&&!(arrays.groups[0].match_occupied()&0x1))++it;
return it; return it;
} }