[Bug c++/99730] New: gcc cannot choose the best overload resolution with constrained function

[hewillk at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99730

            Bug ID: 99730
           Summary: gcc cannot choose the best overload resolution with
                    constrained function
           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: ---

auto f(auto&&...) {}
auto f(auto...) requires true {}

int main() {
  f();
}


gcc reject with:

<source>:5:5: error: call of overloaded 'f()' is ambiguous
    5 |   f();
      |     ^

https://godbolt.org/z/e8jas5frc