// only its end coordinate.
type pendingEntry struct {
	present                bool
	startBlock, startValue ID
	// The location of each piece of the variable, in the same order as the
	// SlotIDs in varParts.
	pieces []VarLoc
}

func (e *pendingEntry) clear() {
	e.present = false
	e.startBlock = 0
	e.startValue = 0
	for i := range e.pieces {
		e.pieces[i] = VarLoc{}
	}
}