diff --git a/libstdc++-v3/include/std/ranges b/libstdc++-v3/include/std/ranges index 42028354b81..2d0017f1750 100644 --- a/libstdc++-v3/include/std/ranges +++ b/libstdc++-v3/include/std/ranges @@ -1865,7 +1865,7 @@ namespace views using _Base = __detail::__maybe_const_t<_Const, _Vp>; template - constexpr range_difference_t<_Base> + constexpr auto __distance_from(const _Iterator<_Const2>& __i) const { return _M_end - __i._M_current; } @@ -1902,17 +1902,17 @@ namespace views operator==(const _Iterator<_Const2>& __x, const _Sentinel& __y) { return __y.__equal(__x); } - template - requires sized_sentinel_for, - iterator_t<__detail::__maybe_const_t<_Const2, _Vp>>> - friend constexpr range_difference_t<_Base> + template> + requires sized_sentinel_for, iterator_t<_Base2>> + friend constexpr range_difference_t<_Base2> operator-(const _Iterator<_Const2>& __x, const _Sentinel& __y) { return -__y.__distance_from(__x); } - template - requires sized_sentinel_for, - iterator_t<__detail::__maybe_const_t<_Const2, _Vp>>> - friend constexpr range_difference_t<_Base> + template> + requires sized_sentinel_for, iterator_t<_Base2>> + friend constexpr range_difference_t<_Base2> operator-(const _Sentinel& __y, const _Iterator<_Const2>& __x) { return __y.__distance_from(__x); } diff --git a/libstdc++-v3/testsuite/std/ranges/adaptors/95322.cc b/libstdc++-v3/testsuite/std/ranges/adaptors/95322.cc index 9279d5520a8..67bc7d33917 100644 --- a/libstdc++-v3/testsuite/std/ranges/adaptors/95322.cc +++ b/libstdc++-v3/testsuite/std/ranges/adaptors/95322.cc @@ -26,7 +26,7 @@ using __gnu_test::test_forward_range; void test01() { - // PR libstdc++/95322 + // PR libstdc++/95322 and LWG 3488 int a[2]{1, 2}; test_forward_range v{a}; auto view1 = v | std::views::take(2);