[cleanup] Use Daniel Lemire's "nearly divisionless" algorithm
for unbiased bounded random numbers, and move
re-seeding out of the hot path.
+5868. [cleanup] Use Daniel Lemire's "nearly divisionless" algorithm
+ for unbiased bounded random numbers, and move
+ re-seeding out of the hot path. [GL !6161]
+
5867. [bug] Fix assertion failure triggered by attaching to dns_adb
in dns_adb_createfind() that has been triggered to shut
down in different thread between the check for shutting