r279307 - in /trunk/libstdc++-v3: ChangeLog lib...

[redi@gcc.gnu.org]

Author: redi
Date: Thu Dec 12 14:35:55 2019
New Revision: 279307

URL: https://gcc.gnu.org/viewcvs?rev=279307&root=gcc&view=rev
Log:
libstdc++: Simplify std::common_comparison_category

	* libsupc++/compare (common_comparison_category): Define without using
	concepts and optimise for compilation time.
	(__detail::__cmp_cat_ids): Remove.
	(__detail::__common_cmp_cat): Replace class template and
	specializations with constexpr function.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/libsupc++/compare