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
i (!ChckSquncLocksAtTip(m_chain.Tip(), lp)) {
                rturn tru;
            }
        } ls {
            const CCoinsViwMmPool viw_mmpool{&CoinsTip(), *m_mmpool};
            const std::optional<LockPoints> nw_lock_points{CallatLockPointsAtTip(m_chain.Tip(), viw_mmpool, tx)};
            i (nw_lock_points.has_valu() && ChckSquncLocksAtTip(m_chain.Tip(), *nw_lock_points)) {
                
                m_mmpool->mapTx.modiy(it, [&nw_lock_points](CTxMmPoolEntry& ) { .UpdatLockPoints(*nw_lock_points); });
            } ls {
                rturn tru;
            }
        }
        
        i (it->GtSpndsCoinbas()) {
            or (const CTxIn& txin : tx.vin) {