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That depends on how it affects near-stall flight.
The most efficient cruise that is legal, is 1.30x stall-speed.
If that damage on the leading portion of the wing means your “1.30x” stall-speed cruise is now actually 1.00x, you’re gambling.
There was a DC9 that killed everybody because of pebbled ice wrecking its actual-stall-speed, years ago.
Landing also requires that you dance at the edge of stall, & if your idea of where stall-speed is, is wrong, …
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https://www.funtoo.org/Welcome
instead of Gentoo.