[Bug libstdc++/122062] New: piecewise_linear_distribution(InputIteratorB, InputIteratorB, InputIteratorW) invokes comma operator

[hewillk at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122062

            Bug ID: 122062
           Summary: piecewise_linear_distribution(InputIteratorB,
                    InputIteratorB,  InputIteratorW) invokes comma
                    operator
           Product: gcc
           Version: 15.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hewillk at gmail dot com
  Target Milestone: ---

#include <random>

struct I {
  using iterator_category = std::input_iterator_tag;
  using value_type = double;
  using difference_type = std::ptrdiff_t;
  using pointer = double*;
  using reference = double&;
  reference operator*() const;
  pointer operator->() const;
  I& operator++();
  I operator++(int);
  bool operator==(const I&) const;
  void operator,(auto) = delete;
};

int main() {
  std::piecewise_linear_distribution<double> dist(I{}, I{}, I{});
}

https://godbolt.org/z/7cMT6qT5Y