pushStop(TSQueryParserState state)
{
	QueryOperand *tmp;

	tmp = (QueryOperand *) palloc0(sizeof(QueryOperand));
	tmp->type = QI_VALSTOP;

	state->polstr = lcons(tmp, state->polstr);
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.