[PATCH] Implement C++20 P1023 for __debug::array

[Jonathan Wakely]

On 30/09/19 22:31 +0200, François Dumont wrote:
>This is a missing part of C++20 P1023 for __debug::array.
>
>Â Â Â  Implement C++20 p1023 - constexpr comparison operators for 
>__debug::array.
>Â Â Â  * include/debug/array: Add C++20 constexpr to comparison operators.
>Â Â Â  * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
>Â Â Â  dg-error line numbers.
>Â Â Â  * testsuite/23_containers/array/tuple_interface/
>Â Â Â  tuple_element_debug_neg.cc: Likewise.
>
>
>Tested under Linux x86_64 normal and debug modes.

Thanks.