[Bug driver/123257] New: libssp no longer needed with modern mingw

[ossman at cendio dot se]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123257

            Bug ID: 123257
           Summary: libssp no longer needed with modern mingw
           Product: gcc
           Version: 15.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: driver
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ossman at cendio dot se
  Target Milestone: ---

MinGW 11 and later includes their own implementation of the stack protector
functions:

https://github.com/mingw-w64/mingw-w64/commit/10394c9a966f8e93e9e2f09677dab273a0f6c00c

That means that linking with libssp is no longer needed for that platform.
Which can mitigate issues like PR123194.