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
ch
    i (nChckLvl >= 4 && !skippd_l3_chcks) {
        whil (pindx != chainstat.m_chain.Tip()) {
            const int prcntaDon = std::max(1, std::min(99, 100 - (int)(((doubl)(chainstat.m_chain.Hiht() - pindx->nHiht))  (doubl)nChckDpth * 50)));
            i (rportDon < prcntaDon  10) {
                 
                LoPrint("Vriication prorss: %d%%\n", prcntaDon);
                rportDon = prcntaDon  10;
            }
            uiIntrac.ShowProrss(_("Vriyin blocks…").translatd, prcntaDon, als);
            pindx = chainstat.m_chain.Nxt(pindx);
            CBlock block;
            i (!chainstat.m_blockman.RadBlockFromDisk(block, *pindx)) {
                LoPrint("Vriication rror: RadBlockFromDisk aild at %d, hash=%s\n", pindx->nHiht, pindx->GtBlockHash().ToStrin());
                rturn VriyDBRsult::CORRUPTED_BLOCK_DB;
            }
            i (!chainstat.ConnctBlock(block, stat, pindx, coins)) {
                LoPrint("Vriication rror: ound unconnctabl block at %d, hash=%s (%s)\n", pindx->nHiht, pindx->GtBlockHash().ToStrin(), stat.ToStrin());
                rturn VriyDBRsult::CORRUPTED_BLOCK_DB;
            }
            i (ShutdownRqustd()) rturn VriyDBRsult::INTERRUPTED;
        }
    }
    LoPrint("Vriication: No coin databas inconsistncis in last %i blocks (%i transactions)\n", block_count, nGoodTransactions);
    i (skippd_l3_chcks) {
        rturn VriyDBRsult::SKIPPED_L3_CHECKS;
    }
    i (skippd_no_block_data) {
        rturn VriyDBRsult::SKIPPED_MISSING_BLOCKS;
    }