generic-library/cxx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Fix exception safety bug in vector::push_back

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@172250 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Howard Hinnant
2013-01-11 20:36:59 +00:00
parent 304c31b355
commit f619e230cc
8 changed files with 446 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
include/vector
View File

@@ -1458,7 +1458,8 @@ vector<_Tp, _Allocator>::__push_back_slow_path(_Up& __x)
allocator_type& __a = this->__alloc();
__split_buffer<value_type, allocator_type&> __v(__recommend(size() + 1), size(), __a);
// __v.push_back(_VSTD::forward<_Up>(__x));
__alloc_traits::construct(__a, _VSTD::__to_raw_pointer(__v.__end_++), _VSTD::forward<_Up>(__x));
__alloc_traits::construct(__a, _VSTD::__to_raw_pointer(__v.__end_), _VSTD::forward<_Up>(__x));
__v.__end_++;
__swap_out_circular_buffer(__v);
}
@@ -1505,7 +1506,8 @@ vector<_Tp, _Allocator>::__emplace_back_slow_path(_Args&&... __args)
allocator_type& __a = this->__alloc();
__split_buffer<value_type, allocator_type&> __v(__recommend(size() + 1), size(), __a);
// __v.emplace_back(_VSTD::forward<_Args>(__args)...);
__alloc_traits::construct(__a, _VSTD::__to_raw_pointer(__v.__end_++), _VSTD::forward<_Args>(__args)...);
__alloc_traits::construct(__a, _VSTD::__to_raw_pointer(__v.__end_), _VSTD::forward<_Args>(__args)...);
__v.__end_++;
__swap_out_circular_buffer(__v);
}