[PATCH] libstdc++: Mark some more algorithms constexpr for C++20

[Jonathan Wakely]

On 18/09/20 21:08 -0400, Patrick Palka via Libstdc++ wrote:
>As per P0202.
>
>Tested on x86_64-pc-linux-gnu.
>
>libstdc++-v3/ChangeLog:
>
>	* include/bits/stl_algo.h (for_each_n): Mark constexpr for C++20.
>	(search): Likewise for the overload that takes a searcher.
>	* testsuite/25_algorithms/for_each/constexpr.cc: Test constexpr
>	std::for_each_n.
>	* testsuite/25_algorithms/search/constexpr.cc: Test constexpr
>	std::search overload that takes a searcher.
>---
> libstdc++-v3/include/bits/stl_algo.h                 |  2 ++
> .../testsuite/25_algorithms/for_each/constexpr.cc    | 12 ++++++++++++
> .../testsuite/25_algorithms/search/constexpr.cc      |  4 ++++
> 3 files changed, 18 insertions(+)

OK, thanks.