Rb_tree constructor optimization

[Jonathan Wakely]

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.
>
>
>>Â Â Â  * include/bits/stl_tree.h
>>Â Â Â  (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
>>Â Â Â  (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
>>Â Â Â  (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
>>Â Â Â  (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
>>Â Â Â  * include/debug/map.h
>>Â Â Â  (map(map&&, const_allocator_type&)): Add noexcept qualitication.
>>Â Â Â  * include/debug/multimap.h
>>Â Â Â  (multimap(multimap&&, const_allocator_type&)): Add noexcept 
>>qualification.
>>Â Â Â  * include/debug/set.h
>>Â Â Â  (set(set&&, const_allocator_type&)): Add noexcept qualitication.
>>Â Â Â  * include/debug/multiset.h
>>Â Â Â  (multiset(multiset&&, const_allocator_type&)): Add noexcept 
>>qualification.
>>Â Â Â  * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
>>Â Â Â  Add checks.
>>Â Â Â  * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
>>Â Â Â  Add checks.
>>Â Â Â  * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
>>Â Â Â  Add checks.
>>Â Â Â  * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
>>Â Â Â  Add checks.
>>Â Â Â  * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
>>Â Â Â  Add checks.
>>Â Â Â  * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
>>Â Â Â  Add checks.
>>Â Â Â  * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
>>Â Â Â  Add checks.
>>Â Â Â  * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
>>Â Â Â  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