simple patch
Calling $this->mLinkHolders->__destruct(); explicitly is incorrect because it sometimes leads to strange errors. I can't tell exactly which errors... :) because our wiki distribution (wiki.4intra.net) is patched manually since 1.13 :)
I think you should use unset( $this->mLinkHolders ) and let PHP run the destructor.
Version: unspecified
Severity: normal
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