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Change emplace for vector and deque to create the temporary (when necessary) before any changes to the container are made. Nikolay Ivchenkov deserves the credit for pushing this problem and the solution for it.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@159918 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant
2012-07-08 23:23:04 +00:00
parent 46e9493c68
commit a58402abb9
2 changed files with 6 additions and 3 deletions
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include/vector
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@@ -1681,8 +1681,9 @@ vector<_Tp, _Allocator>::emplace(const_iterator __position, _Args&&... __args)
}
else
{
value_type __tmp(_VSTD::forward<_Args>(__args)...);
__move_range(__p, this->__end_, __p + 1);
*__p = value_type(_VSTD::forward<_Args>(__args)...);
*__p = _VSTD::move(__tmp);
}
}
else