// Force reindexation of groups when a hook has unset one of them
$this->mEffectiveGroups = array_values( array_unique( $this->mEffectiveGroups ) );
wfProfileOut( __METHOD__ );
// Force reindexation of groups when a hook has unset one of them
$this->mEffectiveGroups = array_values( array_unique( $this->mEffectiveGroups ) );
wfProfileOut( __METHOD__ );