Perhaps (I'm not a native speaker) but that doesn't mesh with my understanding of the word.
Wikipedia's entry on Flavor [1] says:
A "flavorant" is defined as a substance that gives another substance flavor, altering the characteristics of the solute, causing it to become sweet, sour, tangy, etc. A flavor is a quality of something that affects the sense of taste.
So they claim that "sweet" is a flavor, which to me makes it obvious that Sucralose, being a sweetener, is acting as flavoring.