397707f718
Currently, libc++'s `bitset`, `forward_list`, and `list` have non-conforming member typedef name `base`. The typedef is private, but can cause ambiguity in name lookup. Some other classes in libc++ that are either implementation details or not precisely specified by the standard also have member typdef `base`. I think this can still be conforming. Follows up #80706 and #111127.
58 lines
2.8 KiB
C++
58 lines
2.8 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <bitset>
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// This test ensures that we don't use a non-uglified name 'iterator',
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// 'const_iterator', and 'base' in the implementation of bitset.
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//
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// See https://github.com/llvm/llvm-project/issues/111125.
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#include <cstddef>
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#include <bitset>
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#include <type_traits>
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struct my_base {
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typedef int* iterator;
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typedef const int* const_iterator;
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typedef my_base base;
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};
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template <std::size_t N>
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struct my_derived : my_base, std::bitset<N> {};
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static_assert(std::is_same<my_derived<0>::iterator, int*>::value, "");
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static_assert(std::is_same<my_derived<1>::iterator, int*>::value, "");
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static_assert(std::is_same<my_derived<8>::iterator, int*>::value, "");
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static_assert(std::is_same<my_derived<12>::iterator, int*>::value, "");
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static_assert(std::is_same<my_derived<16>::iterator, int*>::value, "");
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static_assert(std::is_same<my_derived<32>::iterator, int*>::value, "");
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static_assert(std::is_same<my_derived<48>::iterator, int*>::value, "");
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static_assert(std::is_same<my_derived<64>::iterator, int*>::value, "");
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static_assert(std::is_same<my_derived<96>::iterator, int*>::value, "");
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static_assert(std::is_same<my_derived<0>::const_iterator, const int*>::value, "");
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static_assert(std::is_same<my_derived<1>::const_iterator, const int*>::value, "");
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static_assert(std::is_same<my_derived<8>::const_iterator, const int*>::value, "");
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static_assert(std::is_same<my_derived<12>::const_iterator, const int*>::value, "");
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static_assert(std::is_same<my_derived<16>::const_iterator, const int*>::value, "");
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static_assert(std::is_same<my_derived<32>::const_iterator, const int*>::value, "");
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static_assert(std::is_same<my_derived<48>::const_iterator, const int*>::value, "");
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static_assert(std::is_same<my_derived<64>::const_iterator, const int*>::value, "");
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static_assert(std::is_same<my_derived<96>::const_iterator, const int*>::value, "");
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static_assert(std::is_same<my_derived<0>::base, my_base>::value, "");
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static_assert(std::is_same<my_derived<1>::base, my_base>::value, "");
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static_assert(std::is_same<my_derived<8>::base, my_base>::value, "");
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static_assert(std::is_same<my_derived<12>::base, my_base>::value, "");
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static_assert(std::is_same<my_derived<16>::base, my_base>::value, "");
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static_assert(std::is_same<my_derived<32>::base, my_base>::value, "");
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static_assert(std::is_same<my_derived<48>::base, my_base>::value, "");
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static_assert(std::is_same<my_derived<64>::base, my_base>::value, "");
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static_assert(std::is_same<my_derived<96>::base, my_base>::value, "");
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