Rollup of 6 pull requests#111019

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Dylan-DPC wants to merge 15 commits intorust-lang:masterfrom

Dylan-DPC:rollup-8rkxsg9

Commits on Apr 23, 2023

Make some tests unit.
cjgillot
committed

Commits on Apr 27, 2023

Loosen `From<&[T]> for Box<[T]>` bound to T: Clone
Jules-Bertholet
committed

Commits on Apr 28, 2023

uplift `clippy::clone_double_ref` as `suspicious_double_ref_op`
fee1-dead
committed

Commits on Apr 30, 2023

Rollup merge of #103406 - Jules-Bertholet:from_clone_slice_to_box, r=dtolnay
Dylan-DPC
authored
Rollup merge of #110631 - notriddle:notriddle/impl-trait-cycle, r=GuillaumeGomez
Dylan-DPC
authored
Rollup merge of #110732 - cjgillot:unit-const-prop, r=tmiasko
Dylan-DPC
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Rollup merge of #110955 - fee1-dead-contrib:sus-operation, r=compiler-errors
Dylan-DPC
authored
Rollup merge of #110996 - loongarch-rs:fix-bootstrap, r=ozkanonur
Dylan-DPC
authored
Rollup merge of #111000 - JohnBobbo96:core_option_unneeded_function, r=jyn514
Dylan-DPC
authored