[Bug c++/99750] New: gcc allow operator literal operator have default parameters

[hewillk at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99750

            Bug ID: 99750
           Summary: gcc allow operator literal operator have default
                    parameters
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hewillk at gmail dot com
  Target Milestone: ---

constexpr auto operator""_s(const char*, unsigned long size = 2) {
  return size;
}
static_assert(operator""_s(nullptr) == 2);

https://godbolt.org/z/x3YjPT8vd