Caused by ae5f2b6a6cc7b2260e9dff99c1bf378922e0e988 from Thread names in logs and deadlock debug tools #15849
On master (with that commit):
0$ gmake clean && gmake -j 17 && src/bench/bench_bitcoin -evals=1 -scaling=0 --filter=FastR.*
1...
2# Benchmark, evals, iterations, total, min, max, median
3...
4__cxa_thread_call_dtors: dtr 0x801a85a40 from unloaded dso, skipping
5FastRandom_1bit, 1, 1, 6.146e-06, 6.146e-06, 6.146e-06, 6.146e-06