Fix the use of dirty in DirtyStatement. (#250) #463

Job	Run time
macos / Test macOS	16s
windows / Test Windows	28s
ci / Build	3m 35s
ci / Lint	1m 1s
ci / Test (0)	6m 34s
ci / Test (1)	6m 39s
ci / Test (2)	6m 6s
ci / Test (3)	5m 56s
ci / Test (4)	5m 7s
ci / Test (5)	5m 23s
ci / Test (6)	6m 35s
ci / Test (7)	8m 20s
ci / Test (8)	6m 21s
ci / Test (9)	5m 40s
ci / Publish Unit Tests Results	1s
	1h 8m 2s

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