Resolve "ThreadSanitizer: lock-order-inversion (potential deadlock) - dns_resolver_createfetch vs dns_resolver_shutdown"
requested to merge 1486-threadsanitizer-lock-order-inversion-potential-deadlock-dns_resolver_createfetch-vs into v9_11
Closes #1486 (closed)
v9_11 specific version of the fix.
Edited by Mark Andrews