Rb_tree constructor optimization

[H.J. Lu]

On Fri, May 18, 2018 at 6:45 PM, Jonathan Wakely <jwakely@redhat.com> wrote:
> On 17/05/18 16:10 +0100, Jonathan Wakely wrote:
>>
>> On 15/05/18 07:30 +0200, François Dumont wrote:
>>>
>>> Here it is again even more simplified. Should I backport the Debug mode
>>> fix to 8 branch ?
>>
>>
>> Yes, please do backport the include/debug/* changes.
>>
>>
>>>     * include/bits/stl_tree.h
>>>     (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
>>>     (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use
>>> latter.
>>>     (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
>>>     (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
>>>     * include/debug/map.h
>>>     (map(map&&, const_allocator_type&)): Add noexcept qualitication.
>>>     * include/debug/multimap.h
>>>     (multimap(multimap&&, const_allocator_type&)): Add noexcept
>>> qualification.
>>>     * include/debug/set.h
>>>     (set(set&&, const_allocator_type&)): Add noexcept qualitication.
>>>     * include/debug/multiset.h
>>>     (multiset(multiset&&, const_allocator_type&)): Add noexcept
>>> qualification.
>>>     * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
>>>     Add checks.
>>>     * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
>>>     Add checks.
>>>     *
>>> testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
>>>     Add checks.
>>>     * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
>>>     Add checks.
>>>     *
>>> testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
>>>     Add checks.
>>>     * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
>>>     Add checks.
>>>     * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
>>>     Add checks.
>>>     * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
>>>     Add checks.
>>>
>>> Ok to commit ?
>>
>>
>> Yes, OK for trunk - thanks.
>>
>>
>
> I'm seeing lots of new testsuite failures after this commit, see
> https://gcc.gnu.org/ml/gcc-testresults/2018-05/msg02025.html
>
>

I opened:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85845

-- 
H.J.