libstdc++: Remove <debug/array>

Add _GLIBCXX_ASSERTIONS assert in normal std::array and remove __gnu_debug::array
implementation.

libstdc++-v3/ChangeLog:

	* include/debug/array: Remove.
	* include/Makefile.am: Remove <debug/array>.
	* include/Makefile.in: Regenerate.
	* include/experimental/functional: Adapt.
	* include/std/array: Move to _GLIBCXX_INLINE_VERSION namespace.
	* include/std/functional: Adapt.
	* include/std/span: Adapt.
	* testsuite/23_containers/array/debug/back1_neg.cc:
	Remove dg-require-debug-mode. Add -D_GLIBCXX_ASSERTIONS option.
	* testsuite/23_containers/array/debug/back2_neg.cc: Likewise.
	* testsuite/23_containers/array/debug/front1_neg.cc: Likewise.
	* testsuite/23_containers/array/debug/front2_neg.cc: Likewise.
	* testsuite/23_containers/array/debug/square_brackets_operator1_neg.cc:
	Likewise.
	* testsuite/23_containers/array/debug/square_brackets_operator2_neg.cc:
	Likewise.
	* testsuite/23_containers/array/element_access/60497.cc
	* testsuite/23_containers/array/tuple_interface/get_debug_neg.cc:
	Remove.
	* testsuite/23_containers/array/tuple_interface/get_neg.cc
	* testsuite/23_containers/array/tuple_interface/tuple_element_debug_neg.cc
	* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc

1 files changed, 0 insertions, 408 deletions

diff --git a/libstdc++-v3/include/debug/array b/libstdc++-v3/include/debug/array
deleted file mode 100644
index dd4044c9c7b..00000000000
--- a/libstdc++-v3/include/debug/array
+++ /dev/null
@@ -1,408 +0,0 @@
-// Debugging array implementation -*- C++ -*-
-
-// Copyright (C) 2012-2020 Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library.  This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 3, or (at your option)
-// any later version.
-
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// Under Section 7 of GPL version 3, you are granted additional
-// permissions described in the GCC Runtime Library Exception, version
-// 3.1, as published by the Free Software Foundation.
-
-// You should have received a copy of the GNU General Public License and
-// a copy of the GCC Runtime Library Exception along with this program;
-// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
-// <http://www.gnu.org/licenses/>.
-
-/** @file debug/array
- *  This is a Standard C++ Library header.
- */
-
-#ifndef _GLIBCXX_DEBUG_ARRAY
-#define _GLIBCXX_DEBUG_ARRAY 1
-
-#pragma GCC system_header
-
-#include <array>
-
-#include <debug/formatter.h>
-#include <debug/macros.h>
-
-namespace std _GLIBCXX_VISIBILITY(default)
-{
-namespace __debug
-{
-  template<typename _Tp, std::size_t _Nm>
-    struct array
-    {
-      typedef _Tp 	    			      value_type;
-      typedef value_type*			      pointer;
-      typedef const value_type*                       const_pointer;
-      typedef value_type&                   	      reference;
-      typedef const value_type&             	      const_reference;
-      typedef value_type*                             iterator;
-      typedef const value_type*                       const_iterator;
-      typedef std::size_t                    	      size_type;
-      typedef std::ptrdiff_t                   	      difference_type;
-      typedef std::reverse_iterator<iterator>	      reverse_iterator;
-      typedef std::reverse_iterator<const_iterator>   const_reverse_iterator;
-
-      // Support for zero-sized arrays mandatory.
-      typedef _GLIBCXX_STD_C::__array_traits<_Tp, _Nm> _AT_Type;
-      typename _AT_Type::_Type                         _M_elems;
-
-      template<std::size_t _Size>
-	struct _Array_check_subscript
- 	{
-	  std::size_t size() { return _Size; }
-
-	  _Array_check_subscript(std::size_t __index)
-	  { __glibcxx_check_subscript(__index); }
-        };
-
-      template<std::size_t _Size>
-	struct _Array_check_nonempty
- 	{
-	  _GLIBCXX_NODISCARD bool empty() { return _Size == 0; }
-
-	  _Array_check_nonempty()
-	  { __glibcxx_check_nonempty(); }
-        };
-
-      // No explicit construct/copy/destroy for aggregate type.
-
-      // DR 776.
-      _GLIBCXX20_CONSTEXPR void
-      fill(const value_type& __u)
-      { std::fill_n(begin(), size(), __u); }
-
-      _GLIBCXX20_CONSTEXPR void
-      swap(array& __other)
-      noexcept(_AT_Type::_Is_nothrow_swappable::value)
-      { std::swap_ranges(begin(), end(), __other.begin()); }
-
-      // Iterators.
-      _GLIBCXX17_CONSTEXPR iterator
-      begin() noexcept
-      { return iterator(data()); }
-
-      _GLIBCXX17_CONSTEXPR const_iterator
-      begin() const noexcept
-      { return const_iterator(data()); }
-
-      _GLIBCXX17_CONSTEXPR iterator
-      end() noexcept
-      { return iterator(data() + _Nm); }
-
-      _GLIBCXX17_CONSTEXPR const_iterator
-      end() const noexcept
-      { return const_iterator(data() + _Nm); }
-
-      _GLIBCXX17_CONSTEXPR reverse_iterator
-      rbegin() noexcept
-      { return reverse_iterator(end()); }
-
-      _GLIBCXX17_CONSTEXPR const_reverse_iterator
-      rbegin() const noexcept
-      { return const_reverse_iterator(end()); }
-
-      _GLIBCXX17_CONSTEXPR reverse_iterator
-      rend() noexcept
-      { return reverse_iterator(begin()); }
-
-      _GLIBCXX17_CONSTEXPR const_reverse_iterator
-      rend() const noexcept
-      { return const_reverse_iterator(begin()); }
-
-      _GLIBCXX17_CONSTEXPR const_iterator
-      cbegin() const noexcept
-      { return const_iterator(data()); }
-
-      _GLIBCXX17_CONSTEXPR const_iterator
-      cend() const noexcept
-      { return const_iterator(data() + _Nm); }
-
-      _GLIBCXX17_CONSTEXPR const_reverse_iterator
-      crbegin() const noexcept
-      { return const_reverse_iterator(end()); }
-
-      _GLIBCXX17_CONSTEXPR const_reverse_iterator
-      crend() const noexcept
-      { return const_reverse_iterator(begin()); }
-
-      // Capacity.
-      constexpr size_type
-      size() const noexcept { return _Nm; }
-
-      constexpr size_type
-      max_size() const noexcept { return _Nm; }
-
-      _GLIBCXX_NODISCARD constexpr bool
-      empty() const noexcept { return size() == 0; }
-
-      // Element access.
-      _GLIBCXX17_CONSTEXPR reference
-      operator[](size_type __n) noexcept
-      {
-	__glibcxx_check_subscript(__n);
-	return _AT_Type::_S_ref(_M_elems, __n);
-      }
-
-      constexpr const_reference
-      operator[](size_type __n) const noexcept
-      {
-	return __n < _Nm ? _AT_Type::_S_ref(_M_elems, __n)
-	 : (_GLIBCXX_THROW_OR_ABORT(_Array_check_subscript<_Nm>(__n)),
-	    _AT_Type::_S_ref(_M_elems, 0));
-      }
-
-      _GLIBCXX17_CONSTEXPR reference
-      at(size_type __n)
-      {
-	if (__n >= _Nm)
-	  std::__throw_out_of_range_fmt(__N("array::at: __n (which is %zu) "
-					    ">= _Nm (which is %zu)"),
-					__n, _Nm);
-	return _AT_Type::_S_ref(_M_elems, __n);
-      }
-
-      constexpr const_reference
-      at(size_type __n) const
-      {
-	// Result of conditional expression must be an lvalue so use
-	// boolean ? lvalue : (throw-expr, lvalue)
-	return __n < _Nm ? _AT_Type::_S_ref(_M_elems, __n)
-	  : (std::__throw_out_of_range_fmt(__N("array::at: __n (which is %zu) "
-					       ">= _Nm (which is %zu)"),
-					   __n, _Nm),
-	     _AT_Type::_S_ref(_M_elems, 0));
-      }
-
-      _GLIBCXX17_CONSTEXPR reference
-      front() noexcept
-      {
-	__glibcxx_check_nonempty();
-	return *begin();
-      }
-
-      constexpr const_reference
-      front() const noexcept
-      {
-	return _Nm ? _AT_Type::_S_ref(_M_elems, 0)
-	  : (_GLIBCXX_THROW_OR_ABORT(_Array_check_nonempty<_Nm>()),
-	     _AT_Type::_S_ref(_M_elems, 0));
-      }
-
-      _GLIBCXX17_CONSTEXPR reference
-      back() noexcept
-      {
-	__glibcxx_check_nonempty();
-	return _Nm ? *(end() - 1) : *end();
-      }
-
-      constexpr const_reference
-      back() const noexcept
-      {
-	return _Nm ? _AT_Type::_S_ref(_M_elems, _Nm - 1)
-	  : (_GLIBCXX_THROW_OR_ABORT(_Array_check_nonempty<_Nm>()),
-	     _AT_Type::_S_ref(_M_elems, 0));
-      }
-
-      _GLIBCXX17_CONSTEXPR pointer
-      data() noexcept
-      { return _AT_Type::_S_ptr(_M_elems); }
-
-      _GLIBCXX17_CONSTEXPR const_pointer
-      data() const noexcept
-      { return _AT_Type::_S_ptr(_M_elems); }
-    };
-
-#if __cpp_deduction_guides >= 201606
-  template<typename _Tp, typename... _Up>
-    array(_Tp, _Up...)
-      -> array<std::enable_if_t<(std::is_same_v<_Tp, _Up> && ...), _Tp>,
-	       1 + sizeof...(_Up)>;
-#endif
-
-  // Array comparisons.
-  template<typename _Tp, std::size_t _Nm>
-    _GLIBCXX20_CONSTEXPR
-    inline bool
-    operator==(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
-    { return std::equal(__one.begin(), __one.end(), __two.begin()); }
-
-#if __cpp_lib_three_way_comparison && __cpp_lib_concepts
-  template<typename _Tp, size_t _Nm>
-    constexpr __detail::__synth3way_t<_Tp>
-    operator<=>(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b)
-    {
-      if constexpr (_Nm && __is_byte<_Tp>::__value)
-	return __builtin_memcmp(__a.data(), __b.data(), _Nm) <=> 0;
-      else
-	{
-	  for (size_t __i = 0; __i < _Nm; ++__i)
-	    {
-	      auto __c = __detail::__synth3way(__a[__i], __b[__i]);
-	      if (__c != 0)
-		return __c;
-	    }
-	}
-      return strong_ordering::equal;
-    }
-#else
-  template<typename _Tp, std::size_t _Nm>
-    _GLIBCXX20_CONSTEXPR
-    inline bool
-    operator!=(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
-    { return !(__one == __two); }
-
-  template<typename _Tp, std::size_t _Nm>
-    _GLIBCXX20_CONSTEXPR
-    inline bool
-    operator<(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b)
-    {
-      return std::lexicographical_compare(__a.begin(), __a.end(),
-					  __b.begin(), __b.end());
-    }
-
-  template<typename _Tp, std::size_t _Nm>
-    _GLIBCXX20_CONSTEXPR
-    inline bool
-    operator>(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
-    { return __two < __one; }
-
-  template<typename _Tp, std::size_t _Nm>
-    _GLIBCXX20_CONSTEXPR
-    inline bool
-    operator<=(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
-    { return !(__one > __two); }
-
-  template<typename _Tp, std::size_t _Nm>
-    _GLIBCXX20_CONSTEXPR
-    inline bool
-    operator>=(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
-    { return !(__one < __two); }
-#endif // three_way_comparison && concepts
-
-  // Specialized algorithms.
-
-#if __cplusplus > 201402L || !defined(__STRICT_ANSI__) // c++1z or gnu++11
-  template<typename _Tp, size_t _Nm>
-    typename enable_if<
-      !_GLIBCXX_STD_C::__array_traits<_Tp, _Nm>::_Is_swappable::value>::type
-    swap(array<_Tp, _Nm>&, array<_Tp, _Nm>&) = delete;
-#endif
-
-  template<typename _Tp, std::size_t _Nm>
-    _GLIBCXX20_CONSTEXPR
-    inline void
-    swap(array<_Tp, _Nm>& __one, array<_Tp, _Nm>& __two)
-    noexcept(noexcept(__one.swap(__two)))
-    { __one.swap(__two); }
-
-  template<std::size_t _Int, typename _Tp, std::size_t _Nm>
-    constexpr _Tp&
-    get(array<_Tp, _Nm>& __arr) noexcept
-    {
-      static_assert(_Int < _Nm, "index is out of bounds");
-      return _GLIBCXX_STD_C::__array_traits<_Tp, _Nm>::
-	_S_ref(__arr._M_elems, _Int);
-    }
-
-  template<std::size_t _Int, typename _Tp, std::size_t _Nm>
-    constexpr _Tp&&
-    get(array<_Tp, _Nm>&& __arr) noexcept
-    {
-      static_assert(_Int < _Nm, "index is out of bounds");
-      return std::move(__debug::get<_Int>(__arr));
-    }
-
-  template<std::size_t _Int, typename _Tp, std::size_t _Nm>
-    constexpr const _Tp&
-    get(const array<_Tp, _Nm>& __arr) noexcept
-    {
-      static_assert(_Int < _Nm, "index is out of bounds");
-      return _GLIBCXX_STD_C::__array_traits<_Tp, _Nm>::
-	_S_ref(__arr._M_elems, _Int);
-    }
-
-  template<std::size_t _Int, typename _Tp, std::size_t _Nm>
-    constexpr const _Tp&&
-    get(const array<_Tp, _Nm>&& __arr) noexcept
-    {
-      static_assert(_Int < _Nm, "index is out of bounds");
-      return std::move(__debug::get<_Int>(__arr));
-    }
-
-#if __cplusplus > 201703L
-#define __cpp_lib_to_array 201907L
-
-  template<bool _Move = false, typename _Tp, size_t... _Idx>
-    constexpr array<remove_cv_t<_Tp>, sizeof...(_Idx)>
-    __to_array(_Tp (&__a)[sizeof...(_Idx)], index_sequence<_Idx...>)
-    {
-      if constexpr (_Move)
-	return {{std::move(__a[_Idx])...}};
-      else
-	return {{__a[_Idx]...}};
-    }
-
-  template<typename _Tp, size_t _Nm>
-    constexpr array<remove_cv_t<_Tp>, _Nm>
-    to_array(_Tp (&__a)[_Nm])
-    noexcept(is_nothrow_constructible_v<_Tp, _Tp&>)
-    {
-      static_assert(!is_array_v<_Tp>);
-      static_assert(is_constructible_v<_Tp, _Tp&>);
-      if constexpr (is_constructible_v<_Tp, _Tp&>)
-	return __debug::__to_array(__a, make_index_sequence<_Nm>{});
-      __builtin_unreachable(); // FIXME: see PR c++/91388
-    }
-
-  template<typename _Tp, size_t _Nm>
-    constexpr array<remove_cv_t<_Tp>, _Nm>
-    to_array(_Tp (&&__a)[_Nm])
-    noexcept(is_nothrow_move_constructible_v<_Tp>)
-    {
-      static_assert(!is_array_v<_Tp>);
-      static_assert(is_move_constructible_v<_Tp>);
-      if constexpr (is_move_constructible_v<_Tp>)
-	return __debug::__to_array<1>(__a, make_index_sequence<_Nm>{});
-      __builtin_unreachable(); // FIXME: see PR c++/91388
-    }
-#endif // C++20
-
-} // namespace __debug
-
-_GLIBCXX_BEGIN_NAMESPACE_VERSION
-  // Tuple interface to class template array.
-
-  /// tuple_size
-  template<typename _Tp, std::size_t _Nm>
-    struct tuple_size<std::__debug::array<_Tp, _Nm>>
-    : public integral_constant<std::size_t, _Nm> { };
-
-  /// tuple_element
-  template<std::size_t _Int, typename _Tp, std::size_t _Nm>
-    struct tuple_element<_Int, std::__debug::array<_Tp, _Nm>>
-    {
-      static_assert(_Int < _Nm, "index is out of bounds");
-      typedef _Tp type;
-    };
-
-  template<typename _Tp, std::size_t _Nm>
-    struct __is_tuple_like_impl<std::__debug::array<_Tp, _Nm>> : true_type
-    { };
-
-_GLIBCXX_END_NAMESPACE_VERSION
-} // namespace std
-
-#endif // _GLIBCXX_DEBUG_ARRAY