When compiled with high optimization and assert disabled these operations
would have disappeared. The side effects being:
* Disk I/O failure protection disabled. Allowing loops in diskd write.
* squidpurge error handling on command line parse gone. Causing segfault.
* squidpurge 'I am Alive' ticker feature cease working.
Detected by Coverity Scan. Issues 740299, 740300, 740301, 740302, 740303