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Ondřej Surý authored
This commits removes superfluous checks when using the isc_refcount API. Examples of superfluous checks: 1. The isc_refcount_decrement function ensures there was not underflow, so this check is superfluous: INSIST(isc_refcount_decrement(&r) > 0); 2 .The isc_refcount_destroy() includes check whether the counter is zero, therefore this is superfluous: INSIST(isc_refcount_decrement(&r) == 1 && isc_refcount_destroy(&r));
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