[Bug c++/87542] [7/8 Regression] bogus error on attribute format with a named constant argument

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87542

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
      Known to work|                            |9.0
         Resolution|---                         |FIXED
            Summary|[7/8/9 Regression] bogus    |[7/8 Regression] bogus
                   |error on attribute format   |error on attribute format
                   |with a named constant       |with a named constant
                   |argument                    |argument
      Known to fail|                            |6.4.0, 7.3.0, 8.2.0

--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
Fixed for GCC 9 in r266195.  Since the patch also introduces a warning for
(invalid) code that was previously silently accepted (pr87533) I'm not planning
to backport it.