kernel: Short-circuit when casting from list to list #7933
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We can do this because we know that the list will contains valid unicode code points so there is no need to validate it again. This speeds up reading standard_io a lot. Solves erlang#7924
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We can do this because we know that the list will contains valid unicode code points so there is no need to validate it again. This speeds up reading standard_io a lot.
Solves #7924