[libc++] Replace _LIBCPP_HAS_NO_CONCEPTS with _LIBCPP_STD_VER > 17. NFCI.All supported compilers that support C++20 now support concepts. So, remove`_LIB_LIBCPP_HAS_NO_CONCEPTS` in favor of `_LIBC
[libc++] Replace _LIBCPP_HAS_NO_CONCEPTS with _LIBCPP_STD_VER > 17. NFCI.All supported compilers that support C++20 now support concepts. So, remove`_LIB_LIBCPP_HAS_NO_CONCEPTS` in favor of `_LIBCPP_STD_VER > 17`. Similarly inthe tests, remove `// UNSUPPORTED: libcpp-no-concepts`.Differential Revision: https://reviews.llvm.org/D121528
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[libc++] Remove Lit annotations for unsupported GCC versions from the test suiteSince we officially don't support several older compilers now, we candrop a lot of the markup in the test suite. Thi
[libc++] Remove Lit annotations for unsupported GCC versions from the test suiteSince we officially don't support several older compilers now, we candrop a lot of the markup in the test suite. This helps keep the testsuite simple and makes sure that UNSUPPORTED annotations don't rot.This is the first patch of a series that will remove annotations forcompilers that are now unsupported.Differential Revision: https://reviews.llvm.org/D107787
[libc++] Remove random [[nodiscard]] in the test suite
[libcxx][iterator][ranges] adds `forward_iterator` and `forward_range`Implements parts of: * P0896R4 The One Ranges Proposal`Depends on D100271.Differential Revision: https://reviews.llvm.o
[libcxx][iterator][ranges] adds `forward_iterator` and `forward_range`Implements parts of: * P0896R4 The One Ranges Proposal`Depends on D100271.Differential Revision: https://reviews.llvm.org/D100275
[libcxx][nfc] prefixes test type `input_iterator` with `cpp17_`C++20 revised the definition of what it means to be an iterator. Whileall _Cpp17InputIterators_ satisfy `std::input_iterator`, the re
[libcxx][nfc] prefixes test type `input_iterator` with `cpp17_`C++20 revised the definition of what it means to be an iterator. Whileall _Cpp17InputIterators_ satisfy `std::input_iterator`, the reverseisn't true. D100271 introduces a new test adaptor to accommodate thisnew definition (`cpp20_input_iterator`).In order to help readers immediately distinguish which input iteratoradaptor is _Cpp17InputIterator_, the current `input_iterator` adaptorhas been prefixed with `cpp17_`.Differential Revision: https://reviews.llvm.org/D101242
[libcxx] Reenable ranges for clang-clThis reverts a224bf8ec423b42eea251407e7a6cc8398a5edf4 and fixes theunderlying issue.The underlying issue is simply that MSVC headers contains a definelike "
[libcxx] Reenable ranges for clang-clThis reverts a224bf8ec423b42eea251407e7a6cc8398a5edf4 and fixes theunderlying issue.The underlying issue is simply that MSVC headers contains a definelike "#define __in", where __in is one macro in the MSVC SourceCode Annotation Language, defined in sal.hJust use a different variable name than "__in"__indirectly_readable_impl, and add "__in" to nasty_macros.h justlike the existing __out. (Also adding a couple more potentiallyconflicting ones.)Differential Revision: https://reviews.llvm.org/D101613
[libcxx][iterator][ranges] adds `input_iterator` and `input_range`Implements parts of: * P0896R4 The One Ranges Proposal`Depends on D100269.Differential Revision: https://reviews.llvm.org/D
[libcxx][iterator][ranges] adds `input_iterator` and `input_range`Implements parts of: * P0896R4 The One Ranges Proposal`Depends on D100269.Differential Revision: https://reviews.llvm.org/D100271