Ville Voutilainen 669a6fdcb4 Rewrite variant, also PR libstdc++/85517 ... * include/std/variant (__do_visit): New. (__variant_cast): Likewise. (__variant_cookie): Likewise. (__erased_*): Remove. (_Variant_storage::_S_vtable): Likewise. (_Variant_storage::__M_reset_impl): Adjust to use __do_visit. (_Variant_storage::__M_reset): Adjust. (__variant_construct): New. (_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use __variant_construct. (_Move_ctor_base(_Move_ctor_base&&)): Likewise. (_Move_ctor_base::__M_destructive_copy): New. (_Move_ctor_base::__M_destructive_move): Adjust to use __variant_construct. (_Copy_assign_base::operator=): Adjust to use __do_visit. (_Copy_assign_alias): Adjust to check both copy assignment and copy construction for triviality. (_Move_assign_base::operator=): Adjust to use __do_visit. (_Multi_array): Add support for visitors that accept and return a __variant_cookie. (__gen_vtable_impl::_S_apply_all_alts): Likewise. (__gen_vtable_impl::_S_apply_single_alt): Likewise. (__gen_vtable_impl::__element_by_index_or_cookie): New. Generate a __variant_cookie temporary for a variant that is valueless and.. (__gen_vtable_impl::__visit_invoke): ..adjust here. (__gen_vtable::_Array_type): Conditionally make space for the __variant_cookie visitor case. (__variant_construct_by_index): New. (get_if): Adjust to use std::addressof. (relops): Adjust to use __do_visit. (variant): Add __variant_cast and __variant_construct_by_index as friends. (variant::emplace): Use _M_reset() and __variant_construct_by_index instead of self-destruction. (variant::swap): Adjust to use __do_visit. (visit): Reimplement in terms of __do_visit. (__variant_hash_call_base_impl::operator()): Adjust to use __do_visit. * testsuite/20_util/variant/compile.cc: Adjust. * testsuite/20_util/variant/run.cc: Likewise. From-SVN: r269422		2019-03-06 14:56:05 +02:00
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80165.cc	re PR libstdc++/80165 (Constexpr tuple of variant doesn't work)	2018-05-13 13:36:12 +03:00
85183.cc	Update copyright years.	2019-01-01 13:31:55 +01:00
86874.cc	Update copyright years.	2019-01-01 13:31:55 +01:00
87431.cc	PR libstdc++/87431 fix regression introduced by r264574	2019-01-06 20:52:34 +00:00
87619.cc	Update copyright years.	2019-01-01 13:31:55 +01:00
any.cc	Update copyright years.	2019-01-01 13:31:55 +01:00
compile.cc	Rewrite variant, also PR libstdc++/85517	2019-03-06 14:56:05 +02:00
deduction.cc	Update copyright years.	2019-01-01 13:31:55 +01:00
hash.cc	Update copyright years.	2019-01-01 13:31:55 +01:00
index_type.cc	Update copyright years.	2019-01-01 13:31:55 +01:00
run.cc	Rewrite variant, also PR libstdc++/85517	2019-03-06 14:56:05 +02:00