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Release Cosmopolitan v3.6.0

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This release is an atomic upgrade to GCC 14.1.0 with C23 and C++23
This commit is contained in:
Justine Tunney 2024-07-23 03:16:17 -07:00
parent 62ace3623a
commit 5660ec4741
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GPG key ID: BE714B4575D6E328
1585 changed files with 117353 additions and 271644 deletions
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130
third_party/libcxx/__algorithm/shift_right.h vendored
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@ -20,82 +20,86 @@
# pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
#include <__undef_macros>
_LIBCPP_BEGIN_NAMESPACE_STD
#if _LIBCPP_STD_VER >= 20
template <class _ForwardIterator>
inline _LIBCPP_INLINE_VISIBILITY constexpr
_ForwardIterator
shift_right(_ForwardIterator __first, _ForwardIterator __last,
typename iterator_traits<_ForwardIterator>::difference_type __n)
{
if (__n == 0) {
return __first;
inline _LIBCPP_HIDE_FROM_ABI constexpr _ForwardIterator
shift_right(_ForwardIterator __first,
_ForwardIterator __last,
typename iterator_traits<_ForwardIterator>::difference_type __n) {
if (__n == 0) {
return __first;
}
if constexpr (__has_random_access_iterator_category<_ForwardIterator>::value) {
decltype(__n) __d = __last - __first;
if (__n >= __d) {
return __last;
}
_ForwardIterator __m = __first + (__d - __n);
return std::move_backward(__first, __m, __last);
} else if constexpr (__has_bidirectional_iterator_category<_ForwardIterator>::value) {
_ForwardIterator __m = __last;
for (; __n > 0; --__n) {
if (__m == __first) {
return __last;
}
--__m;
}
return std::move_backward(__first, __m, __last);
} else {
_ForwardIterator __ret = __first;
for (; __n > 0; --__n) {
if (__ret == __last) {
return __last;
}
++__ret;
}
if constexpr (__has_random_access_iterator_category<_ForwardIterator>::value) {
decltype(__n) __d = __last - __first;
if (__n >= __d) {
return __last;
}
_ForwardIterator __m = __first + (__d - __n);
return _VSTD::move_backward(__first, __m, __last);
} else if constexpr (__has_bidirectional_iterator_category<_ForwardIterator>::value) {
_ForwardIterator __m = __last;
for (; __n > 0; --__n) {
if (__m == __first) {
return __last;
}
--__m;
}
return _VSTD::move_backward(__first, __m, __last);
} else {
_ForwardIterator __ret = __first;
for (; __n > 0; --__n) {
if (__ret == __last) {
return __last;
}
++__ret;
}
// We have an __n-element scratch space from __first to __ret.
// Slide an __n-element window [__trail, __lead) from left to right.
// We're essentially doing swap_ranges(__first, __ret, __trail, __lead)
// over and over; but once __lead reaches __last we needn't bother
// to save the values of elements [__trail, __last).
// We have an __n-element scratch space from __first to __ret.
// Slide an __n-element window [__trail, __lead) from left to right.
// We're essentially doing swap_ranges(__first, __ret, __trail, __lead)
// over and over; but once __lead reaches __last we needn't bother
// to save the values of elements [__trail, __last).
auto __trail = __first;
auto __lead = __ret;
while (__trail != __ret) {
if (__lead == __last) {
_VSTD::move(__first, __trail, __ret);
return __ret;
}
++__trail;
++__lead;
}
_ForwardIterator __mid = __first;
while (true) {
if (__lead == __last) {
__trail = _VSTD::move(__mid, __ret, __trail);
_VSTD::move(__first, __mid, __trail);
return __ret;
}
swap(*__mid, *__trail);
++__mid;
++__trail;
++__lead;
if (__mid == __ret) {
__mid = __first;
}
}
auto __trail = __first;
auto __lead = __ret;
while (__trail != __ret) {
if (__lead == __last) {
std::move(__first, __trail, __ret);
return __ret;
}
++__trail;
++__lead;
}
_ForwardIterator __mid = __first;
while (true) {
if (__lead == __last) {
__trail = std::move(__mid, __ret, __trail);
std::move(__first, __mid, __trail);
return __ret;
}
swap(*__mid, *__trail);
++__mid;
++__trail;
++__lead;
if (__mid == __ret) {
__mid = __first;
}
}
}
}
#endif // _LIBCPP_STD_VER >= 20
_LIBCPP_END_NAMESPACE_STD
_LIBCPP_POP_MACROS
#endif // _LIBCPP___ALGORITHM_SHIFT_RIGHT_H