[Bug c++/81787] New: `#pragma GCC diagnostic warning "-fpermissive"` no longer works since gcc 4.8

["b.r.longbons at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81787

            Bug ID: 81787
           Summary: `#pragma GCC diagnostic warning "-fpermissive"` no
                    longer works since gcc 4.8
           Product: gcc
           Version: 7.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: b.r.longbons at gmail dot com
  Target Milestone: ---

This worked with 4.7, but fails with 4.8 through 7.1.


Original reports on StackOverflow:

https://stackoverflow.com/questions/10932479/in-gcc-how-to-mute-the-fpermissive-warning

https://stackoverflow.com/questions/45600368/how-to-supress-a-fpermissive-error-using-modern-gcc