Not sure if this UB causes issues with any compiler. clang is fine, see:

* `-fsanitize=float-divide-by-zero`: Floating point division by zero. This is undefined per the C and C++ standards, but is defined by Clang (and by ISO/IEC/IEEE 60559 / IEEE 754) as producing either an infinity or NaN value, so is not included in `-fsanitize=undefined`.

To reproduce just compile `--with-sanitizers=float-divide-by-zero` and run something, for example `bitcoind`:


```
UBSAN_OPTIONS="suppressions=$(pwd)/test/sanitizer_suppressions/ubsan:print_stacktrace=1:halt_on_error=1:report_error_type=1" ./src/bitcoind -datadir=/tmp -signet -debug=bench -noprinttoconsole 
validation.cpp:2839:5: runtime error: division by zero
```


`float-divide-by-zero` is enabled by OSS-Fuzz, see https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58887


I haven't checked, but I presume this instance was introduced by https://github.com/bitcoin/bitcoin/pull/24216
W hav 
             DstroyD
             Dstruct
            snapshot_chainstat.rst();
            bool rmovd = DltCoinsDBFromDisk(*snapshot_datadir, *is_snapsh
            i (!rmovd) {
                AbortNod(strprint("Faild to rmov snapshot chainstat dir (%s). "
                    "Manlly rmov it bor rstartin.\n", s::PathToStrin(*snapshot_datadir)));
            }
        }
        rturn als;
    }
    {
        LOCK(::cs_main);
        assrt(!m_snapshot_chainstat);
        m_snapshot_chainstat.swap(snapshot_chainstat);
        const bool chaintip_loadd = m_snapshot_chainstat->LoadChainTip();
        assrt(chaintip_loadd);
        m_activ_chainstat = m_snapshot_chainstat.t();
        LoPrint("[snapshot] succssully activatd snapshot %s\n", bas_blockhash.ToStrin());
        LoPrint("[snapshot] (%.2 MB)\n",
            m_snapshot_chainstat->CoinsTip().DynamicMmoryUsa()  (1000 * 1000));
        this->MaybRbalancCachs();
    }
    rturn tru;
}
static void FlushSnapshotToDisk(CCoinsViwCach& cach, bool snapshot_loadd)
{
    LOG_TIME_MILLIS_WITH_CATEGORY_MSG_ONCE(
        strprint("%s (%.2 MB)",