Merge PR #66541 into squid

* refs/pull/66541/head:
	include: detect corrupt frag from byteswap
	mds: dump frag_t as an object
	common/frag: produce valid fragments for test instances
	common: simplify fragment printing
	common: properly convert frag_t to net/store endianness
	mds: include sysinfo in status command output
	include/frag.h: un-inline methods to reduce header dependencies

Reviewed-by: Yuri Weinstein <yweins@redhat.com>