[Bug 298193] sbin/ipfw/ipfw2.c: fails to compile with -Wtype-limits (gcc14)

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 04 Sep 2026 21:23:11 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=298193

            Bug ID: 298193
           Summary: sbin/ipfw/ipfw2.c: fails to compile with -Wtype-limits
                    (gcc14)
           Product: Base System
           Version: 14.5-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: bin
          Assignee: bugs@FreeBSD.org
          Reporter: ngie@FreeBSD.org

This is blocking the gcc14 job from completing cleanly:
```
/workspace/src/sbin/ipfw/ipfw2.c:5886:23: error: comparison of unsigned
expression in '>= 0' is always true [-Werror=type-limits]
 5886 |         for (i = 4; i >= 0; i--) {
      |                       ^~
```
91489043435f1f98a03d1cd5138a6ce37408e92f will address the issue, but isn't a
clean MFC.

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