Fix exception safety bug in vector::push_back
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@172250 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/vector b/include/vector
index 0c28068..876b7e5 100644
--- a/include/vector
+++ b/include/vector
@@ -1458,7 +1458,8 @@
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 @@
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);
}