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from 18ed132a6b1 PR libstdc++/92059 fix several bugs in tr2::dynamic_bitset new b88935cf365 Use __is_same_as for std::is_same and std::is_same_v new 6dc6cd99d8b Implement <concepts> header for C++20

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Summary of changes: libstdc++-v3/ChangeLog | 59 ++++ libstdc++-v3/include/Makefile.am | 7 +- libstdc++-v3/include/Makefile.in | 7 +- libstdc++-v3/include/precompiled/stdc++.h | 2 +- libstdc++-v3/include/std/concepts | 351 +++++++++++++++++++++ libstdc++-v3/include/std/type_traits | 11 +- libstdc++-v3/include/std/version | 3 + libstdc++-v3/scripts/create_testsuite_files | 2 +- .../testsuite/libstdc++-dg/conformance.exp | 1 + .../concepts/concepts.callable/invocable.cc} | 32 +- .../concepts.callable/regular_invocable.cc | 45 +++ .../std/concepts/concepts.callable/relation.cc | 48 +++ .../concepts/concepts.callable/strictweakorder.cc | 48 +++ .../concept.arithmetic/floating_point.cc | 58 ++++ .../concepts.lang/concept.arithmetic/integral.cc | 73 +++++ .../concept.arithmetic/signed_integral.cc | 73 +++++ .../concept.arithmetic/unsigned_integral.cc | 73 +++++ .../concepts/concepts.lang/concept.assignable/1.cc | 85 +++++ .../std/concepts/concepts.lang/concept.common/1.cc | 73 +++++ .../concepts/concepts.lang/concept.commonref/1.cc | 71 +++++ .../concepts.lang/concept.constructible/1.cc | 89 ++++++ .../concepts.lang/concept.convertible/1.cc | 77 +++++ .../concepts.lang/concept.copyconstructible/1.cc | 63 ++++ .../concept.defaultconstructible/1.cc | 63 ++++ .../concepts/concepts.lang/concept.derived/1.cc | 50 +++ .../concepts.lang/concept.destructible/1.cc | 57 ++++ .../concepts.lang/concept.moveconstructible/1.cc | 63 ++++ .../std/concepts/concepts.lang/concept.same/1.cc | 66 ++++ .../concepts.lang/concept.swappable/swap.cc | 78 +++++ .../concepts.lang/concept.swappable/swappable.cc} | 35 +- .../concept.swappable/swappable_with.cc | 80 +++++ .../std/concepts/concepts.object/copyable.cc | 108 +++++++ .../std/concepts/concepts.object/movable.cc | 81 +++++ .../std/concepts/concepts.object/regular.cc | 64 ++++ .../concepts/concepts.object/semiregular.cc} | 39 ++- 35 files changed, 2074 insertions(+), 61 deletions(-) create mode 100644 libstdc++-v3/include/std/concepts copy libstdc++-v3/testsuite/{25_algorithms/copy/constexpr.cc => std/concepts/conce [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.callable/regular_i [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.callable/relation.cc create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.callable/strictwea [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.arith [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.arith [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.arith [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.arith [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.assig [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.common/1.cc create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.commo [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.const [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.conve [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.copyc [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.defau [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.derived/1.cc create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.destr [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.movec [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.same/1.cc create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.swapp [...] copy libstdc++-v3/testsuite/{23_containers/span/subspan_neg.cc => std/concepts/con [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.lang/concept.swapp [...] create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.object/copyable.cc create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.object/movable.cc create mode 100644 libstdc++-v3/testsuite/std/concepts/concepts.object/regular.cc copy libstdc++-v3/testsuite/{25_algorithms/swap_ranges/constexpr.cc => std/concept [...]