[Bug c++/69316] New: Implement CWG 393

[columbo@gmx-topmail.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69316

            Bug ID: 69316
           Summary: Implement CWG 393
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: columbo@gmx-topmail.de
  Target Milestone: ---

void f(int(&)[]);

This fails, although made well-formed as of core issue 393. Note that a fix
should presumably take EWG 118 into account.