Auto merge of #150563 - JonathanBrouwer:rollup-9ncjbou, r=JonathanBrouwer

Rollup of 2 pull requests

Successful merges:

 - rust-lang/rust#150454 (cleanup: move c-variadic arguments handling into compute_inputs_and_output)
 - rust-lang/rust#150529 (Update books)

r? `@ghost`
`@rustbot` modify labels: rollup