Marek Kurdej 0324b46cd8 [libc++] [C++2b] [P2162] Allow inheritance from std::variant. ... This patch changes the variant even in pre-C++2b. It should not break anything, only allow use cases that didn't work previously. Notes: `__as_variant` is used in `__visitation::__variant::__visit_alt`, but I haven't used it in `__visitation::__variant::__visit_alt_at`. That's because it is used only in `__visit_value_at`, which in turn is always used on variant specializations (that's in comparison operators). * https://wg21.link/P2162 Reviewed By: ldionne, #libc, Quuxplusone Differential Revision: https://reviews.llvm.org/D97394		2021-03-25 18:20:50 +01:00
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variant.bad_variant_access	[libc++] Remove shortcut Lit features for Apple backdeployment	2020-07-16 15:39:08 -04:00
variant.general	Support tests in freestanding	2019-02-04 20:31:13 +00:00
variant.get	[libc++] Remove shortcut Lit features for Apple backdeployment	2020-07-16 15:39:08 -04:00
variant.hash	[libc++] Revert switch-based std::variant implementation again.	2020-11-17 23:09:31 -05:00
variant.helpers	[libc++] Remove the c++98 Lit feature from the test suite	2020-06-03 09:37:22 -04:00
variant.monostate	[libc++] Remove the c++98 Lit feature from the test suite	2020-06-03 09:37:22 -04:00
variant.monostate.relops	[libc++] Remove the c++98 Lit feature from the test suite	2020-06-03 09:37:22 -04:00
variant.relops	[libc++] Revert switch-based std::variant implementation again.	2020-11-17 23:09:31 -05:00
variant.synopsis	[libc++] Remove the c++98 Lit feature from the test suite	2020-06-03 09:37:22 -04:00
variant.variant	[libc++] Revert switch-based std::variant implementation again.	2020-11-17 23:09:31 -05:00
variant.visit	[libc++] [C++2b] [P2162] Allow inheritance from std::variant.	2021-03-25 18:20:50 +01:00